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1 'L'L'L 'L86$DQG&DQDGDRQO\ 6(59,&(0$8$/

2 Safety Precautions for Inspection and Service When performing inspection and service procedures, observe the following precautions to prevent accidents and ensure utmost safety. Depending on the model, some of the precautions given in the following do not apply. Different markings are used to denote specific meanings as detailed below. WARNING CAUTION Indicates a potentially hazardous situation which, if not avoided, could result in death or serious injury. Indicates a potentially hazardous situation which, if not avoided, may result in minor or moderate injury. It may also be used to alert against unsafe practices. The following graphic symbols are used to give instructions that need to be observed. Used to call the service technician s attention to what is graphically represented inside the marking (including a warning). Used to prohibit the service technician s from doing what is graphically represented inside the marking. Used to instruct the service technician s to do what is graphically represented inside the marking. WARNING. Always observe precautions. Parts requiring special attention in this product will include a label containing the mark shown on the left plus precautionary notes. Be sure to observe the precautions. Be sure to observe the Safety Information given in the Operator s Manual.. Before starting the procedures, be sure to unplug the power cord. This product contains a high-voltage unit and a circuit with a large current capacity that may cause an electric shock or burn. The product also contains parts that can jerk suddenly and cause injury. If this product uses a laser, laser beam leakage may cause eye damage or blindness. 3. Use the specified parts. For replacement parts, always use the genuine parts specified in the manufacturer s parts manual. Installing a wrong or unauthorized part could cause dielectric breakdown, overload, or undermine safety devices resulting in possible electric shock or fire. Replace a blown electrical fuse or thermal fuse with its corresponding genuine part specified in the manufacturer s parts manual. Installing a fuse of a different make or rating could lead to a possible fire. If a thermal fuse blows frequently, the temperature control system may have a problem and action must be taken to eliminate the cause of the problem. P-

3 4. Handle the power cord with care and never use a multiple outlet. Do not break, crush or otherwise damage the power cord. Placing a heavy object on the power cord, or pulling or bending it may damage it, resulting in a possible fire or electric shock. Do not use a multiple outlet to which any other appliance or machine is connected. Be sure the power outlet meets or exceeds the specified capacity. 5. Be careful with the high-voltage parts. A part marked with the symbol shown on the left carries a high voltage. Touching it could result in an electric shock or burn. Be sure to unplug the power cord before servicing this part or the parts near it. 6. Do not work with wet hands. Do not unplug or plug in the power cord, or perform any kind of service or inspection with wet hands. Doing so could result in an electric shock. 7. Do not touch a high-temperature part. A part marked with the symbol shown on the left and other parts such as the exposure lamp and fusing roller can be very hot while the machine is energized. Touching them may result in a burn. Wait until these parts have cooled down before replacing them or any surrounding parts. 8. Maintain a grounded connection at all times. (This item may not apply in the USA.) Be sure to connect the ground wire to the ground terminal even when performing an inspection or repair. Without proper grounding, electrical leakage could result in an electric shock or fire. Never connect the ground wire to a gas pipe, water pipe, telephone ground wire, or a lightning conductor. 9. Do not remodel the product. Modifying this product in a manner not authorized by the manufacturer may result in a fire or electric shock. If this product uses a laser, laser beam leakage may cause eye damage or blindness. 0. Restore all parts and harnesses to their original positions. To promote safety and prevent product damage, make sure the harnesses are returned to their original positions and properly secured in their clamps and saddles in order to avoid hot parts, high-voltage parts, sharp edges, or being crushed. To promote safety, make sure that all tubing and other insulating materials are returned to their original positions. Make sure that floating components mounted on the circuit boards are at their correct distance and position off the boards. P-

4 CAUTION. Precautions for Service Jobs A toothed washer and spring washer, if used originally, must be reinstalled. Omitting them may result in contact failure which could cause an electric shock or fire. When reassembling parts, make sure that the correct screws (size, type) are used in the correct places. Using the wrong screw could lead to stripped threads, poorly secured parts, poor insulating or grounding, and result in a malfunction, electric shock or injury. Take great care to avoid personal injury from possible burrs and sharp edges on the parts, frames and chassis of the product. When moving the product or removing an option, use care not to injure your back or allow your hands to be caught in mechanisms.. Precautions for Servicing with Covers and Parts Removed Wherever feasible, keep all parts and covers mounted when energizing the product. If energizing the product with a cover removed is absolutely unavoidable, do not touch any exposed live parts and use care not to allow your clothing to be caught in the moving parts. Never leave a product in this condition unattended. Never place disassembled parts or a container of liquid on the product. Parts falling into, or the liquid spilling inside, the mechanism could result in an electric shock or fire. Never use a flammable spray near the product. This could result in a fire. Make sure the power cord is unplugged before removing or installing circuit boards or plugging in or unplugging connectors. Always use the interlock switch actuating jig to actuate an interlock switch when a cover is opened or removed. The use of folded paper or some other object may damage the interlock switch mechanism, possibly resulting in an electric shock, injury or blindness. 3. Precautions for the Working Environment The product must be placed on a flat, level surface that is stable and secure. Never place this product or its parts on an unsteady or tilting workbench when servicing. Provide good ventilation at regular intervals if a service job must be done in a confined space for a long period of time. Avoid dusty locations and places exposed to oil or steam. Avoid working positions that may block the ventilation ports of the product. 4. Precautions for Handling Batteries (Lithium, Nickel-Cadmium, etc.) Replace a rundown battery with the same type as specified in the manufacturer s parts manual. Before installing a new battery, make sure of the correct polarity of the installation or the battery could burst. Dispose of used batteries according to the local regulations. Never dispose of them at the user s premises or attempt to try to discharge one. P-3

5 5. Precautions for the Laser Beam (Only for Products Employing a Laser) Removing the cover marked with the following caution label could lead to possible exposure to the laser beam, resulting in eye damage or blindness. Be sure to unplug the power cord before removing this cover. If removing this cover while the power is ON is unavoidable, be sure to wear protective laser goggles that meet specifications. Make sure that no one enters the room when the machine is in this condition. When handling the laser unit, observe the Precautions for Handling Laser Equipment. 67P00AA DANGER Invisible laser radiation when open. AVOID DIRECT EXPOSURE TO BEAM D70AA Other Precautions When handling circuit boards, observe the HANDLING of PWBs. The PC Drum is a very delicate component. Observe the precautions given in HAN- DLING OF THE PC DRUM because mishandling may result in serious image problems. Note that replacement of a circuit board may call for readjustments or resetting of particular items, or software installation. P-4

6 Used Batteries Precautions ALL Areas CAUTION Danger of explosion if battery is incorrectly replaced. Replace only with the same or equivalent type recommended by the manufacturer. Dispose of used batteries according to the manufacturer s instructions. Germany VORSICHT! Explosionsgefahr bei unsachgemäßem Austausch der Batterie. Ersatz nur durch denselben oder einen vom Hersteller empfohlenen ähnlichen Typ. Entsorgung gebrauchter batterien nach Angaben des Herstellers. France ATTENTION Ily a danger d explosion s ily a remplacement incorrec de la batterie. Remplacer uniquement avec une batterie du meme type ou d un type équivalent recommande par le constructueur. Mettre au rebut les batteries usageés conformément aux instructions du fabricant. Denmark ADVARSEL! Lithiumbatteri - Eksplosionsfare ved fejlagtig håndtering Udskiftning må kun ske med batteri af samme fabrikat og type. Levér det brugte batteri tilbage til leverandøren. Norway ADVARSEL Eksplosjonsfare ved feilaktig skifte av batteri. Benytt samme batteritype eller en tilsvarende type anbefalt av apparatfabrikanten. Brukte batterier kasseres i henhold til fabrikantens instruksjoner. Sweden VARNING Explosionsfara vid felaktigt batteribyte. Använd samma batterityp eller en ekvivalent typ som rekommenderas av apparattillverkaren. Kassera använt batteri enligt fabrikantens instruktion. Finland VAROlTUS Paristo voi räjähtää, los se on virheellisesti asennettu. Vaihda paristo ainoastaan laitevalmistajan suosittelemaan tyyppiin. Hävitä Käytetty paristo valmistajan ohjeiden mukaisesti. P-5

7 Precautions for Service When performing inspection and service procedures, observe the following precautions to prevent mishandling of the machine and its parts. Depending on the model, some of the precautions given in the following do not apply. Precautions Before Service When the user is using a word processor or personal computer from a wall outlet of the same line, take necessary steps to prevent the circuit breaker from opening due to overloads. Never disturb the LAN by breaking or making a network connection, altering termination, installing or removing networking hardware or software, or shutting down networked devices without the knowledge and express permission of the network administrator or the shop supervisor. How to Use this Book. DIS/REASSEMBLY, ADJUSTMENT To reassemble the product, reverse the order of disassembly unless otherwise specified.. TROUBLESHOOTING If a component on a PWB or any other functional unit including a motor is defective, the text only instructs you to replace the whole PWB or functional unit and does not give troubleshooting procedures applicable within the defective unit. All troubleshooting procedures contained herein assume that there are no breaks in the harnesses and cords and all connectors are plugged into the right positions. The procedures preclude possible malfunctions due to noise and other external causes. Precautions for Service Check the area surrounding the service site for any signs of damage, wear or need of repair. Keep all disassembled parts in good order and keep tools under control so that none will be lost or damaged. After completing a service job, perform a safety check. Make sure that all parts, wiring and screws are returned to their original positions. Do not pull out the toner hopper while the toner bottle is turning. This could result in a damaged motor or locking mechanism. If the product is to be run with the front door open, make sure that the toner hopper is in the locked position. Do not use an air gun or vacuum cleaner for cleaning the ATDC Sensor and other sensors, as they can cause electrostatic destruction. Use a blower brush and cloth. If a unit containing these sensors is to be cleaned, first remove the sensors from the unit. P-6

8 Precautions for Dis/Reassembly Be sure to unplug the copier from the outlet before attempting to service the copier. The basic rule is not to operate the copier anytime during disassembly. If it is absolutely necessary to run the copier with its covers removed, use care not to allow your clothing to be caught in revolving parts such as the timing belt and gears. Before attempting to replace parts and unplug connectors, make sure that the power cord of the copier has been unplugged from the wall outlet. Be sure to use the Interlock Switch Actuating Jig whenever it is necessary to actuate the Interlock Switch with the covers left open or removed. While the product is energized, do not unplug or plug connectors into the circuit boards or harnesses. Never use flammable sprays near the copier. A used battery should be disposed of according to the local regulations and never be discarded casually or left unattended at the user s premises. When reassembling parts, make sure that the correct screws (size, type) and toothed washer are used in the correct places. If it becomes necessary to replace the thermal fuse or any other fuse mounted on a board, be sure to use one of the rating marked on the blown fuse. Always note the rating marked on the fuse, as the rating and mounting site or number used are subject to change without notice. Precautions for Circuit Inspection Never create a closed circuit across connector pins except those specified in the text and on the printed circuit. When creating a closed circuit and measuring a voltage across connector pins specified in the text, be sure to use the GND wire. P-7

9 Handling of PWBs. During Transportation/Storage: During transportation or when in storage, new P.W. Boards must not be indiscriminately removed from their protective conductive bags. Do not store or place P.W. Boards in a location exposed to direct sunlight and high temperature. When it becomes absolutely necessary to remove a Board from its conductive bag or case, always place it on its conductive mat in an area as free as possible from static electricity. Do not touch the pins of the ICs with your bare hands. Protect the PWBs from any external force so that they are not bent or damaged.. During Inspection/Replacement: Avoid checking the IC directly with a multimeter; use connectors on the Board. Never create a closed circuit across IC pins with a metal tool. Before unplugging connectors from the P.W. Boards, make sure that the power cord has been unplugged from the outlet. When removing a Board from its conductive bag or conductive case, do not touch the pins of the ICs or the printed pattern. Place it in position by holding only the edges of the Board. When touching the PWB, wear a wrist strap and connect its cord to a securely grounded place whenever possible. If you cannot wear a wrist strap, touch a metal part to discharge static electricity before touching the PWB. Note that replacement of a PWB may call for readjustments or resetting of particular items. Handling of Other Parts The magnet roller generates a strong magnetic field. Do not bring it near a watch, floppy disk, magnetic card, or CRT tube. P-8

10 Handling of the PC Drum Only for Products Not Employing an Imaging Cartridge.. During Transportation/Storage: Use the specified carton whenever moving or storing the PC Drum. The storage temperature is in the range between 0 C and +40 C. In summer, avoid leaving the PC Drum in a car for a long time.. Handling: Ensure that the correct PC Drum is used. Whenever the PC Drum has been removed from the copier, store it in its carton or protect it with a Drum Cloth. The PC Drum exhibits greatest light fatigue after being exposed to strong light over an extended period of time. Never, therefore, expose it to direct sunlight. Use care not to contaminate the surface of the PC Drum with oil-base solvent, fingerprints, and other foreign matter. Do not scratch the surface of the PC Drum. Do not apply chemicals to the surface of the PC Drum. Do not attempt to wipe clean the surface of the PC Drum. If, however, the surface is contaminated with fingerprints, clean it using the following procedure.. Place the PC Drum into one half of its carton. 076D00 076D00. Gently wipe the residual toner off the surface of the PC Drum with a dry, Dust-Free Cotton Pad. A. Turn the PC Drum so that the area of its surface on which the line of toner left by the Cleaning Blade is present is facing straight up. Wipe the surface in one continuous movement from the rear edge of the PC Drum to the front edge and off the surface of the PC Drum. B. Turn the PC Drum slightly and wipe the newly exposed surface area with a CLEAN face of the Dust-Free Cotton Pad. Repeat this procedure until the entire surface of the PC Drum has been thoroughly cleaned. At this time, always use a CLEAN face of the dry Dust-Free Cotton Pad until no toner is evident on the face of the Pad after wiping. P-9

11 3. Soak a small amount of either ethyl alcohol or isopropyl alcohol into a clean, unused Dust-Free Cotton Pad which has been folded over into quarters. Now, wipe the surface of the PC Drum in one continuous movement from its rear edge to its front edge and off its surface one to two times. Never move the Pad back and forth. 076D Using the SAME face of the Pad, repeat the procedure explained in the latter half of step 3 until the entire surface of the PC Drum has been wiped. Always OVERLAP the areas when wiping. Two complete turns of the PC Drum would be appropriate for cleaning. 076D004 NOTES Even when the PC Drum is only locally dirtied, wipe the entire surface. Do not expose the PC Drum to direct sunlight. Clean it as quickly as possible even under interior illumination. If dirt remains after cleaning, repeat the entire procedure from the beginning one more time. Handling of the Imaging Cartridge Only for Products Employing an Imaging Cartridge.. During Transportation/Storage: The storage temperature is in the range between 0 C and +40 C. In summer, avoid leaving the Imaging Cartridge in a car for a long time.. Handling: Store the Imaging Cartridge in a place that is not exposed to direct sunlight. 3. Precautionary Information on the PC Drum Inside the Imaging Cartridge: Use care not to contaminate the surface of the PC Drum with oil-base solvent, fingerprints, and other foreign matter. Do not scratch the surface of the PC Drum. Do not attempt to wipe clean the surface of the PC Drum. P-0

12 INDEX (FIELD SERVICE) DIS/REASSEMBLY, ADJUSTMENT SWITCHES ON PWBs, TECH. REP. SETTINGS TROUBLESHOOTING

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76 SWITCHES ON PWBs, TECH. REP. SETTINGS 796

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78 CONTENTS. CONTROL PANEL KEYS AND TOUCH PANEL...S- -. Control Panel Keys... S- -. Explanation of the Touch Panel... S- () Basis Screen... S- () Warning Screens... S-3. FUNCTION OF SWITCHES AND OTHER PARTS ON PWBs...S-4 -. PWB Location...S-4 -. PWB-A (Master Board)...S-4-3. PWB-F (Control Panel)... S-5 3. UTILITY MODE...S Utility Mode selection Screen...S Utility Mode Function Tree...S Settings in the Utility Mode... S-7 () User s Choice Mode... S-7 () User Management... S-3 (3) Admin. Management... S-4 4. TECH. REP. MODE...S Tech. Rep. Mode Menu Screen... S Tech. Rep. Mode Function Setting Procedure... S Tech. Rep. Mode Menu Function Tree... S Setting in the Tech. Rep. Mode... S-8 () Tech. Rep. Mode... S-8 () System Input... S- (3) Administrator # Input... S- (4) Counter... S- (5) Function...S-5 (6) I/O Check...S-6 (7) Movement Check... S-6 (8) RD Mode... S-7 (9) ROM Version...S-8 (0) Level History...S-8 5. SECURITY MODE...S Security Mode Menu Screen... S Security Mode Setting Procedure... S Settings in the Security Mode... S ADJUST MODE...S Adjust Mode Menu Screen... S Adjust Mode Setting Procedure... S Adjust Mode Function Tree... S Settings in the Adjust Mode...S-33 () Printer... S-33 () IR...S INITIAL MODE...S Initial Mode Menu Screen... S Initial Mode Setting Procedure... S Settings in the Initial Mode... S-35 i

79 7-4. Data/Conditions Cleared by Reset Switches... S UTILITY MODE... S Utility Mode selection Screen...S User s Choice Function Tree...S Settings in the Utility Mode... S SOFT SWITCH SET...S Soft Switch Initial Value Table...S Set Contents of Soft Switches...S-40 ii

80 . CONTROL PANEL KEYS AND TOUCH PANEL -. Control Panel Keys O038AA. Touch Panel Shows various screens and message.. Utility Key Press to show the Utility Mode menu. 7. Access Mode Key Press to enter the access number when Copy Track of the Administrator mode available. Press the access Key. 3. Mode Check Key Lists the current settings on the screen. Access to register the current settings in a program Key Pad The number of copies to be made. The various numeric values. 5. Copy Key Press to select the Copy mode. 6. Scan Key Press to select the Scanner mode. 8. Interrupt Key Press to select the Interrupt mode. 9. Panel Reset Key Press to set the machine into the initial mode, clearing all settings made on the control panel. 0. Clear Key Clear the various numeric values.. Stop Key Stop a print cycle. Stop a scanning cycle.. Start Key Start a print cycle. S-

81 -. Explanation of the Touch Panel () Basis Screen The Basic screen is the initial screen that appears when the copier is turned ON P9CA. Supplementary Function Keys The auxiliary, Density, Orig. Copy, and Basics keys are displayed.. Message Display Shows the current machine status, operating instructions and precautions, and other data including the number of copies selected. 3. Function Display Shows the basic function keys and the corresponding functions currently selected for use. 4. Sub-message Display Shows graphic representation of the operating status of a job. 5. Set Function Shows graphic representation of the copying type currently selected for use. S-

82 () Warning Screens The Warning screen may be a malfunction display, error display, warning display, or a caution display. <Malfunction Display> Given when a malfunction occurs. E.g.: Malfunctions that can be identified with a specific code. <Error Display> Given when an error occurs. E.g.: Paper misfeed, door open, etc. 40P74CA 40P79CC <Warning Display> Given when only a defective copy will be produced because of erroneous or illegal panel settings. E.g.: Unmatched paper size in Auto Paper. <Caution Display> Given when, though further copier operation will be possible, it could eventually result in a malfunction. E.g.: Toner near empty, etc. 40P9CA 40P93CA S-3

83 . FUNCTION OF SWITCHES AND OTHER PARTS ON PWBs -. PWB Location PWB-A PWB-F 40D095AA -. PWB-A (Master Board) 40D093AA Symbol Name Description S Test Print Switch Produces the test pattern of Function F. <Procedure>. Press S to let the copier start the output sequence.. Press S a second time to stop the output sequence. S-4

84 -3. PWB-F (Control Panel) SW37 SW37 40D095AA Symbol Name Description SW37 Warm Restart Switch Used to enter the initial mode. S-5

85 3. UTILITY MODE Utility Mode is used to make various settings according to the user s need. 3-. Utility Mode selection Screen Press the Utility key on the control panel. 40P94CA 3-. Utility Mode Function Tree User s Choice User s Choice /6 User s Choice /6 User s Choice 3/6 User s Choice 4/6 User s Choice 5/6 User s Choice 6/6 Meter Count Utility Copy Job Recall User Management Cofirmation Beep Alarm Volume Panel Cleaning Dehumidity Toner Replenisher Data Send Admin. Management Administrator Set Copy Track :Set with "Dehumidity" available from Tech. Rep. Mode. :The description of the function is displayed when a Data Terminal is connected to the machine. S-6

86 3-3. Settings in the Utility Mode Touch Panel Display User s Choice Setting User s Choice is used to make various settings according to the user s need. Displays the counts of various counters. Permits programming of various functions, including copying jobs. Meter Count Copy Job Recall User Management Permits setting of the various User Management functions. Admin. Management The entry of the Administrator # set using the Tech. Rep. mode permits the settings of the following functions. () User s Choice Mode User s Choice is used to make various settings according to the user s need.. User's Choice Function Setting Procedure <Procedure>. Press the Utility key.. Touch the User s Choice key. 3. Select the appropriate screen from the menu. 4. Select the appropriate function. 5. After the settings are complete, touch the Enter key to validate the settings. <Exiting the Mode> Touch the Exit key. S-7

87 . User's Choice Function Tree User s Choice /6 Memory Recall Mixed Original Detection Language Selected User s Choice /6 Original Copy Default Auto Paper/Auto Size Drawer Priority Special Paper Multiple-in- and Booklet Copy Zoom Auto Panel Reset Energy Save Mode User s Choice Mode User s Choice 3/6 Plug-In Counter,ID Key Reset Auto Power Off LCD Back-light Off User s Choice 4/6 4in Copy Order Density Priority Default Copy Output Levels Priority Density Output Priority User s Choice 5/6 Intelligent Sorting Output Tray Small Originals Scanner Dry User s Choice 6/6 Density (ADF only) S-8

88 3. Settings in the User's Choice Mode Touch Panel Setting (The default is Highlighted ). Display Memory Recall Select whether to enable or disable the Memory Recall function. ON OFF Mixed Original Detection Select the priority Mixed Original Detection mode that is automatically selected when the Power Switch is turned ON or Panel Reset key pressed. ON OFF Language Selected Select the language of the Touch Panel messages. <Metric Areas> <Inch Areas> ENGLISH GERMAN FRENCH ENGLISH FRENCH SPANISH DUTCH ITALIAN SPANISH JAPANESE PORTUGUESE DANISH NORWEGIAN SWEDISH FINISH JAPANESE Original Default Copy Select the priority type of Original Copy setting selected automatically when the Power Switch is turned ON or Panel Reset key pressed. Note Some type settings are not available depending on the types of options configured with the copier and the settings made in Tech. Rep. Choice. -Sided -Sided -Sided -Sided -Sided -Sided Auto Paper/Auto Size Select the priority Auto mode (Auto Paper or Auto Size) selected when the Power Switch is turned ON or Panel Reset key pressed. Auto Paper Auto Size Manual Drawer Priority Select the priority paper source that is automatically selected when the copier is set into the Auto Size or Manual mode. st Drawer 3rd Drawer 5th Drawer nd Drawer 4th Drawer Special Paper Define the type of paper used for each paper source, or designate a particular paper source for special paper. Normal Recycled Not for -Sided Special S-9

89 Touch Panel Display Multiple-in- and Booklet Copy Zoom Auto Panel Reset Setting (The default is Highlighted ). Select whether to enable or disable recalling a default zoom ratio for in, 4in, or Booklet Creation. ON OFF Select the time it takes the Auto Panel Reset function, which resets the panel settings when the set period of time elapses after a copy cycle has been completed or the last key operated, to be activated. 30 sec. min. min. 3 min. 5 min. No Reset Energy Saver Mode Select the time it takes the copier to enter the Energy Saver mode after a copy cycle has been completed or the last key operated. Press the Clear key and, Use the 0-Key Pad to set the time. to 40 min. ( ) 5 min. Plug-In Counter, ID Key Reset Select whether or not to reset the panel automatically when the Access Mode key is pressed (in the Copy Track mode) or the Plug-In Counter is unplugged. ON OFF Auto Power Off Select the time it takes the Auto Shut Off function, which shuts down the copier when the set period of time elapses after a copy cycle has been completed or the last key operated, to be activated. Press the Clear key and, Use the 0-Key Pad to set the time. Note: The option of OFF becomes available on the screen if Yes is selected for Disable Auto Shut off of the Admin. Management function. Default: 35/5 CPM (60 min.), 0 CPM (30 min.) LCD Back-light Off Set the time it takes the LCD backlight to turn OFF after a copy cycle has been completed or the last key has been operated. Press the Clear key and, Use the 0-Key Pad to set the time. 0 CPM: U.S.A. and Canada Only 5 to 40 min. OFF to 40 min. ( ) min. S-0

90 Touch Panel Display 4in Copy Order Setting (The default is Highlighted ). Specify the default copying order in the 4in mode Density Priority Default Copy Output Levels Specify the priority exposure mode that is selected automatically when the Power Switch is turned ON or the Panel Reset key pressed. <Density> <Original Image Type> Text Auto Photo Manual Text/Photo Auto : Select the priority exposure level in the Auto Exposure mode. Manual: Select the priority exposure level in the Manual Exposure mode. <Auto> Lighter Normal <Manual> Darker Lighter Darker Priority Density Output Priority Set the image density level for printing Select the priority finishing type. Note: The contents of the display vary depending on the types of finishing options mounted on the machine. Non Sort Corner Staple -Hole Punch Sort -Point Staple 3-Hole Punch Group S-

91 Touch Panel Display Intelligent Sorting Setting (The default is Highlighted ). Select whether to enable or disable the function that automatically switches between Sort and Non-Sort according to the number of originals and the number of copy sets to be made. Applicable when the system is equipped with a finishing option and using an ADF or ADFR. ON OFF Output Tray Small Originals Select the output tray for each application when the system is equipped with a finishing option. <Fax> 3 <PC Print> 3 <Copy> Displayed when a Job Tray is mounted. When a Finisher is mounted: PC Print default setting "" Select whether to enable or disable a copy cycle when it is initiated with an original of a small size that is not detectable by the system placed on the Original Glass. ON OFF Scanner Dry Default: Metric areas OFF / Inch Areas ON Set the time-of-day to run a Scanner drying cycle. Note: When entering a value for Hours and Minutes and if it is a singledigit number, first enter a 0. Density (ADF only) Adjust the copy image density level when the ADF is being used. : Initial setting When the standard original (text, etc.) is used. To give better reproduction of faint original. S-

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93 (3) Admin. Management The entry on the Administrator # Input set using the Tech. Rep. mode permits the settings of the following functions.. Admin. Management Mode Function Setting Procedure <Procedure>. Press the Utility key.. Touch the Admin. Management Mode key. 3. Enter the Administrator number from the 0-Key pad. 4. Touch the Enter key. 5. Select the appropriate function. 6. After the settings are complete, touch the Enter key to validate the settings. <Exiting the Mode> Touch the Exit key.. Settings in the Admin. Management Mode Touch Panel Display Setting (The default is Highlighted ). Administrator Set Displays the Max. Copy Sets and Disable Auto Shut OFF screens. Max. Copy Sets Determine the number of copies or copy sets that can be set using the 0-Key Pad. to 99 OFF Disable Auto Shut Off Copy Track Copy Track Mode Copy Track Data Select whether to enable or disable the setting of the Auto Shut Off function available from User s Choice. No Yes Not displayed. Displayed. Displays the various setting screens including Copy Track. Select the number of accounts to be controlled OFF 00 Accounts 00 Accounts 000 Accounts Select the particular account number. Output the copy track data. <Procedure> Place the required number of sheets of A4L or Letter L paper on the st Drawer. When All Counter Reset is touched, it clears all data under control. S-4

94 Touch Panel Display 00 Accounts- 00 Accounts- Setting (The default is Highlighted ). 00 Accounts- Copying is authorized only for the accounts, for which Access Codes have been programmed. 00 Accounts- Permits the accounts, for which Access Codes have been programmed, to make copies. Copy track data can also be maintained if the Access Mode key is pressed before attempting to make copies. The copy track data of the selected page is displayed. No. : Enter the set account number from the 0-Key Pad. Total Count : Displays the count of the Total Counter. Size Count : Displays the count of the Size Counter. Copy Limit : Enter the maximum number of copies that can be made from the 0-Key Pad. Access Code : Enter the access number, which can range from 000 to 9999, from the 0-Key Pad. These data can be cleared with the Clear key. 000 Accounts The copy track data of the selected page is displayed. No. : Displays the account number. (Setting cannot be changed.) Total Count : Displays the count of the Total Counter. (It can be cleared with the Clear key.) Note: The account number corresponds to the access code(id) of that particular account. S-5

95 4. TECH. REP. MODE This mode is used by the Tech. Rep. to check, set, adjust, and/or program various service functions. 4-. Tech. Rep. Mode Menu Screen 40P96CA 4-. Tech. Rep. Mode Function Setting Procedure <Procedure>. Press the Utility key.. Press the Meter Count key. 3. Press the following keys in this order: Stop 0 0 Stop 0 4. Select the desired Tech. Rep. Mode function. <Exiting the Mode> Touch the Exit key. S-6

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98 . Printer Make the necessary adjustments of the printer (engine). Touch Panel Setting (The default is Highlighted ). Display Edge Erase Set the erase width on the leading, trailing, right, and left edge of the image. 0 to 5 mm ( ) 4 mm Loop Adjustment Set the length of the loop to be formed in paper before the Synchronizing Rollers -5 to +5 mm ( ) 0 mm Image Density Set the image density for the printer. The value set for this function becomes the central value of Priority Density of User s Choice Lighter Darker ATDC Sensor Gain Current: Shows the current ATDC control voltage. Set: Set the ATDC control voltage. Note: Be sure to record this value when I/C has been changed T/C Greater T/C Smaller VG Adjust Vary the Vg voltage to set the desired image density Lighter Darker S-9

99 3. ADFR Make the necessary adjustments of ADFR. Note: For details, see Option service manual. Touch Panel Display Original Stop Position Registration Loop Setting (The default is Highlighted ). Adjust the document stop position in each of the ADF modes Smaller Greater Set the length of the loop to be formed in the original fed off the ADF before the Registration Roller. -5 mm mm Smaller Greater 4. Scan-through ADF Make the necessary adjustments of AFR. Note: For details, see Option service manual. Touch Panel Display Registration Setting (The default is Highlighted ). Adjust registration in the main and sub-scanning directions of the ADF. Main Scanning (CD) -7 dot dot Smaller Greater Sub Scanning (FD) -7 dot dot Smaller Greater Zoom Adjust Adjust the scanning zoom ratio in the main and sub-scanning directions of the ADF Reduction direction Enlargement direction S-0

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102 Touch Panel Display Jam Setting Counts the number of misfeeds that have occurred at different locations in the copier. Display MCBJ System MCBJ Machine Only st Drawer nd Drawer 3rd Drawer 4th Drawer 5th Drawer Display LCC Transport Shift/Job Tray Transport Shift/Job Tray Exit Finisher Horizontal Transport Finisher Transport Finisher Exit Finisher Staple Display Manual Feed Vertical Transport Separator Fusing Duplex Entrance Duplex Feed LCC Feed Display Finisher Set Transport MDBJ ADFR (Scan-through ADF) Feed ADFR (Scan-through ADF) Transport ADFR Reverse SADF Display Printer Engine PM MDBJ: ADFR paper feed counter divided by ADFR misfeed counter Printer: No. of misfeeds occurred due to communication errors between memory and printer. Engine: No. of misfeeds occurred due to communication errors with the engine. Counts the frequency of use of each of the different parts of the copier. Display I/C Life I/C Life st Drawer nd Drawer 3rd Drawer 4th Drawer 5th Drawer Display LCC Parts LCC Parts Other PM Parts Other PM Parts Other PM Parts 3 -Sided -Sided Description No. of A4C copies made, translated from the period of time through which the I/C motor has been energized. No. of A4C copies made, translated in terms of A4C length from the total FD length copied No. of sheets of paper fed from the st Drawer No. of sheets of paper fed from the nd Drawer No. of sheets of paper fed from the 3rd Drawer No. of sheets of paper fed from the 4th Drawer No. of sheets of paper fed from the 5th Drawer Description No. of sheets of paper fed from the LCC No. of sheets of paper fed from the LCC No. of times a sheet of paper is fed through No. of times a sheet of paper is fed through No. of times a sheet of paper is fed through No. of times a -sided original is fed through No. of times a -sided original is fed through S-3

103 Touch Panel Display PM Display SADF IR IR Job Tray Toner Pages Fusing Unit Setting Description No. of single feeds No. of scan motions No. of scan motions No. of cycles of feeding paper out into Job Tray No. of pages equivalent to the no. of black dots on A4 original with B/W 5% No. of times a sheet of paper is fed out Trouble Counts the number of malfunctions that have occurred at different parts of the copier. Malfunction Code C0000 C000 C0045 C004C Description Main Motor I/C Motor Cooling Fan Ventilation Fan Malfunction Code C004E C0070 C0500 C050 Description Cooling Fan (Power Supply) Toner Bottle Motor Fusing Warming-up Fuser Low Temperature Malfunction Code C050 C0650 C065 C0990 Description Fuser High Temperature Home Sensor Left Sensor LCC Transport Motor Malfunction Code C099 C0995 C0999 C099D Description LCC Lift Limit LCC Lift Motor LCC Lift Limit LCC Communication Malfunction Code C0B00 C0B0 C0B30 C0B38 Description Transport Drive Motor Stapler Unit Paper Aligning Bar Unit Paper Standard Board Unit Malfunction Code C0B48 C0B4A C0B4D C0B4E Description Pressure Motor Unit Pressure Motor Unit Assist Tray Unit Transaction Tray Unit Malfunction Code C0B50 C0B54 C0B73 C0B78 Description Staple Unit Staple Unit Punch Cam Motor Unit Punch Switching Motor Unit Malfunction Code C0B80 C0BA0 C0F3 C0F33 Shift Unit Elevate Motor ATDC Sensor ATDC Adjust Description Malfunction Code C038 C300 C33A C33B Description Engine Connection Polygon Motor Communication Error (G/A) Communication Error (Option) Malfunction Code C3C0 C3D0 C3F0 C8XX Description I/C Initial Error EEPROM HSYNC(SOS) Printer Controller Error Malfunction Code C04 Description Transcribable Volt. S-4

104 Touch Panel Display Device Maintenance Setting Shows the numbers of prints for different applications. It also allows the Tech. Rep. to clear each counter. Display Description Copier No. of prints made by copier Printer No. of prints made by printer Report Print No. of report prints made FAX Print No. of fax prints made FAX Transmission No. of prints made for fax transmission Mail Transmission No. of prints made for mail transmission Set different count values for the Maintenance Counter. When the count reaches the preset value, the icon appears in the Sub-Message Display. <Procedure>. Touch Maintenance (Set).. Press the Clear key to clear the current value. Press the Interrupt key to undo the clearing operation, restoring the original value. 3. Enter the value from the 0-Key Pad. (5) Function This function allows the Tech. Rep. to make the various function tests and adjustments. Touch Panel Display F F Setting <Paper Passage> A check is made for paper passage performance. <Procedure>. Select the paper source.. Press the Start key to start the paper passage cycle. 3. Press the Stop key to stop the paper passage cycle. This test is for factory adjustment only and should NOT be used. F7- <Original Size Detecting Sensor Adjustment> Automatically adjusts the threshold level of the Original Size Detecting Sensor. For details, see DIS/REASSEMBLY, ADJUSTMENT. F8 <ATDC Sensor Automatic Adjustment> This test is for factory adjustment only and should NOT be used. F <Test Pattern> Outputs the test pattern. <Procedure>. Select the paper source.. Press the Start key to start the output sequence. 3. Press the Stop key to stop the output sequence. S-5

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106 (8) RD Mode Make the initial settings of the copier for the Data Terminal.. RD Mode Menu Function Tree ID Code CT-ID DT Setting DT-ID RD Mode Maintenance Initial Transmisson TEL. # Counter Clear Call Completion RAM Clear Dial Mode Common DT Auto Receive Result Code. Setting in the RD Mode Touch Panel Display Setting (The default is Highlighted ). ID Code Enter the ID code. <Procedure>. Touch the ID Code key.. Enter the ID code from the 0-Key Pad. 3. Touch the ID Code key. (This executes the transmission of MAINT. START to the Center.) Maintenance Displays the various setting screens. DT Setting Displays the setting screens for CT-ID, DT-ID, and telephone number. CT-ID Enter the ID number of the Center PC from the 0-Key Pad. DT-ID Enter the ID number of the Data Terminal from the 0-Key Pad. TEL No. Enter the telephone number of the modem connected to the Center PC. S-7

107 Touch Panel Display Initial Transmission Counter Clear Call Completion RAM Clear Common DT Dial Mode Setting (The default is Highlighted ). Performs the initial transmission from the PPC to the Center to check for correct communication after the Data Terminal has been set up. Clears the spare counter. <Procedure>. Touch the Counter Clear key.. Select the number assigned to the counter to be cleared. Transmits the signal of notifying the completion of service job to the Center. Initializes the Data Terminal settings. YES Displays the screens for communications settings. Sets the type of telephone line of the user. Tone NO Pulse Auto Receive Sets the auto reception function. YES NO Result Code Set the value according to the type of the modem on the copier. (9) ROM Version Shows the ROM versions. (0) Level History Displays the various level histories. Touch Panel Display ATDC Set ATDC Current Vg Current Vb Current Setting Displays the voltage set with ATDC Sensor Automatic Adjustment. Displays the ATDC Sensor T/C setting in percentage. Displays the current value of the grid voltage. Displays the current value of the developing bias voltage. S-8

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109 5-3. Settings in the Security Mode Touch Panel Display Total Counter Setting (The default is Highlighted ). Select the condition by which the Counter count is increased. Mode Mode Mode 3 Copy per copy cycle Multiple count-up according to paper size /-sided copying Multiple count-up according to paper size /-sided copying Size Counter Select the size of the paper to be counted by the Size Counter. No Count A3/x7 A3/B4/x7/Legal A3/B4/x7/x4/Legal/FLS Copy Kit Counter Select whether to enable or disable the Copy Kit count. Mode Mode Mode 3 Disables the Copy Kit counter. Copying not inhibited after the count reaches the present value. Copying inhibited after the count reaches the present value. Copy Kit Plug-In Counter Enter a value for the Copy Kit Counter. When the current value reaches the set value, the following display is given. Copy Kit Counter setting Mode : The icon appears in the sub-message display. Mode 3: The maintenance call reminder M4 appears and the initiation of a new copy cycle is inhibited. <Procedure>. Touch Set.. Press the Clear key to clear the current setting. If the setting is accidentally cleared, press the Interrupt key to undo the clearing operation. 3. Enter the desired value from the 0-Key Pad. 4. Touch Current. 5. Press the Clear key to clear the current value. If the current value is accidentally cleared, press the Interrupt key to undo the clearing operation. Select the condition by which the Counter count is increased. Copy Made Copy Cycles S-30

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111 6. ADJUST MODE Used at the factory for making adjustments. 6-. Adjust Mode Menu Screen C66P00CA 6-. Adjust Mode Setting Procedure <Procedure>. Show the Tech. Rep. mode menu screen.. Press the following keys in this order: Stop Start 3. Select the desired function. Use the Access Mode key to enter a + or - sign. <Exiting the Mode> Touch the END key Adjust Mode Function Tree Printer Registration (CD) Registration (FD) Adjust IR Registration Zoom Adjust S-3

112 6-4. Settings in the Adjust Mode () Printer Adjust functions relating to the printer. Runs a test print sequence. Touch Panel Display Registration (CD) Setting Adjust registration in the CD direction on the engine side Smaller Greater Registration (FD) Adjust registration in the FD direction on the engine side 35 CPM 0/5 CPM 0 CPM: U.S.A. and Canada Only () IR Adjust functions relating to the I.R. Touch Panel Display Registration Smaller Greater Smaller Greater Setting Adjust registration in the CD and FD direction on the IR side. Main scanning (CD) -7 dot dot Smaller Greater Sub scanning (FD) -4 dot dot Smaller Greater Zoom Adjust Adjust the zoom ratio in the CD and FD direction on the IR side Smaller Greater S-33

113 7. INITIAL MODE Used to initialize the various service functions. 7-. Initial Mode Menu Screen 40P97CA 7-. Initial Mode Setting Procedure <Procedure>. Press the Warm Restart switch. Then. appears at the center on the left side of the screen.. Enter 3 from the 0-Key Pad. 3. Select the desired function. <Exiting the Mode> Touch the Exit key. S-34

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115 7-4. Data/Conditions Cleared by Reset Switches Clearing Method Side Cover Trouble Memory open/close Reset Clear Total Clear Data Cleared Misfeed display Malfunction Fusing display Others Erratic operation/display Job/Image User s Choice Tech.Rep.Mode Security Mode Touch Panel Adjust Copy Track function data Electronic Counter counts :Cleared :Not cleared S-36

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119 9-. Set Contents of Soft Switches NOTES The contents of the software switches are described mainly for modes related to copying. The mark indicates a mode containing items that can be set according to the user's choice, for example. The highlighted areas are the initial settings. Mode 400 Initial value Bit: HEX: 00 Bit Function Logic 0 7 Memory Recall OFF ON Description [ON/OFF] selection for storing the image data and recalling the image after the end of copying. 6 Mixed Original Detection OFF ON Selection of mixed original mode that has priority when the power is ON and the Panel Reset key is pressed. 5-0 Fixed Setting change inhibit Mode 40 Initial value Bit: HEX: 04 Logic Bit Function 0 Description 7- Language Selected Bit7-: Japanese Selects the language to be displayed English on the touch panel Arbitrary setting 5-0 Fixed Setting change inhibit - S-40

120 Mode 40 Initial value Bit: HEX: 0 Logic Bit Function 0 7 Simplex/Duplex -Sided -Sided 6 Original Copy Default Bit6-5: 00 -Sided 5 0 -Sided Description other Setting inhibit 4 Auto Paper/Auto Size Bit4-3: 00 APS APS: Auto paper mode 0 AMS AMS: Auto magnification mode 3 Main Application Priority Application (auto clear, screen after panel reset) Specification 0 0 Setting inhibit Manual Copy Printer Sets the print form for overseas PC printing. Copy: All PC prints are output together after data is received. Printer: PC prints are output successively each time data is received. Bit-0: 00 FAX Sets the initial status screen 0 COPY (copy, FAX, AUTO or scanner). 0 AUTO Scanner Mode 403 Initial value Bit: HEX: 0 Bit 7 Function Multiple-in- and Booklet Copy Zoom Logic 0 Recommende d magnification Full Size Description Sets magnification when in, 4in, booklet or in division is selected. 6- Fixed Setting change inhibit 0 Plug-In Counter,ID Key Reset OFF ON [ON/OFF] selection of panel reset when Access Mode key is pressed. S-4

121 Mode 404 Initial value Bit: HEX: 0 Logic Bit Function 0 Description 7 Auto Panel Reset Bit7-0: Setting of whether or not auto No Reset clear takes place after the specified time from the end of copying min. or a key operation and also the 4 time setting. -minute steps min. 30 sec. Other Setting 0 inhibit - Mode 405 Initial value Bit: HEX: 0F Logic Bit Function 0 Description 7 Energy Save Mode Bit7-0: Setting of auto preheat time after the specified time from the end of Setting copying or a key operation. inhibit -minute steps min min min. 0 Other Setting inhibit - - S-4

122 Mode cpm Copier 5-cpm Copier 35-cpm Copier Initial value Bit: HEX: E Bit: HEX: 3C Logic Bit Function 0 Description 7 Auto Power Off Bit7-0: Setting of whether or not to cut OFF OFF the power to the machine after the specified time from min. the end of copying or a key 4 operation, and also the time setting min. * When MODE 46 Bit0 "Auto power off cancel" is set to "Enabled", the setting min. * becomes "No". -minute steps No FAX: Auto power OFF min. With FAX: Heater OFF 0 *: Initial value for a 0-cpm Setting Copier Other inhibit *: Initial value for 5-cpm Copier and 35-cpm Copier 0 CPM: U.S.A. and Canada Only Mode 407 Initial value Bit: HEX: 0 Logic Bit Function 0 Description 7 LCD Back-light Off Bit7-0: Setting of the back light OFF time after the specified time from the Setting end of a key operation inhibit -minute steps min min. Other Setting inhibit 0 - S-43

123 Mode 408 Initial value Bit: HEX: 00 Logic Bit Function 0 Description 7 Drawer Priority Bit7-4: Setting of paper source selected st Drawer preferentially in the APS (auto paper mode) or the manual nd Drawer mode rd Drawer 00 4th Drawer 000 5th Drawer 00 Manual Feed 00 LCC Setting Other inhibit 3-0 Fixed Setting change inhibit Mode 409 Initial value Bit: HEX: 08 Logic Bit Function Description 0 7 4in Copy Order Bit7-6: Setting of image layout sequence for 4in copy operation. 00 Pattern Pattern Pattern 0 Pattern 3 6 Other Setting inhibit cpm Copier and 35-cpm Copier only 5 Density Priority AE Manual Density mode setting Original Image Type Bit5-3: 0000 Text/Photo When MODE 409 Bit5 is set to 000 Text "AE (auto)", the "Photo mode" cannot be set. 000 Photo 4- Special 00 image quality Other Setting inhibit 0 Fixed Setting change inhibit 0 CPM: U.S.A. and Canada Only S-44

124 Mode 40 Initial value Bit: HEX: 44 Logic Bit Function 0 Description 7 Default Copy Output Levels Bit7-6: 00 Darker Selection of level in auto density 6 0 Normal mode. 0 Setting inhibit Lighter 5 Fixed Setting change inhibit 4 Density (ADF only) Normal Black streak prevention Normal: Image is read at the specified density. Black streak prevention: Image is read at a "lighter" density than the specified density. 3-0 Default Copy Output Levels Bit3-0: 0000 EXP Setting of the manual density 000 EXP level selected when the mode is initialized, and also the level 000 EXP 3 selected when the mode is 00 EXP 4 changed from auto density to manual density. 000 EXP 5 00 EXP 6 EXP [Lighter] 00 EXP 7 EXP5 [Normal] 0 EXP EXP 9 EXP9 [Darker] Other Setting inhibit Mode 4 Initial value Bit: HEX: 00 Logic Bit Function 0 Description 7 Code Bit (copy) + - Sets the + or - direction of Priority Density of MODE 4 Bit Fixed Setting change inhibit -0 Priority Density Bit-0: Sets the image density for making 00 a print, by varying the devel- oping bias Other Setting inhibit S-45

125 Mode 4 Initial value Bit: HEX: 08 Logic Bit Function 0 Description 7 Priority Sort Mode Bit7-6: 00 Non Sort Selection of the paper exit mode 0 sort that has priority when the paper exit system option is installed. 6 0 Setting inhibit Group 5 Priority Stapling Mode (copy) OFF ON 4 Priority Punch Mode (copy) OFF ON Can be set simultaneously with a mode other than "Non-sort" of MODE 4 Bit 7-6. Can be set simultaneously with each mode of MODE 4 Bit 7-6. Intelligent Sorting Setting of changeover, or no changeover, 3 OFF ON between sort and non-sort according to the number of originals and the key operation. -0 Fixed Setting change inhibit Mode 43 Initial value Bit: HEX: 4 Bit Function 7 FAX (Mail) Output Bin Specification 6 5 PC Print Output Bin Specification 4 3 Logic Description 0 Bit7-6: 00 st Drawer Setting of tray to exit FAX (mail) prints when a finisher is Elevator 0 installed. tray "Option tray" is effective 0 Option tray when the option tray is installed. Setting inhibit Bit5-4: 00 st Drawer Setting of tray to exit PC prints when a finisher is Elevator 0 installed. tray "Option tray" is effective when 0 Option tray the option tray is installed. Setting inhibit PC Print Output Bin Specification bin bins Setting of the bin to exit PC prints when a job tray is installed. Copy Output Bin Specification bin bins FAX (Mail) Output Bin Specification bin bins Setting of the bin to exit copies when a job tray is installed. Setting of the bin to exit FAX (mail) prints when a job tray is installed. 0 Fixed Setting change inhibit S-46

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129 Mode 4 Initial value Bit: HEX: 08 Bit 7 Total Counter 6 Function Logic 0 Bit7-6: 00 Mode (standard) 0 Mode (ME) 0 Mode 3 Setting inhibit 5 Size Counter Do not Bit5-3: 000 count 4 00 A A3/B4 0 A3/B4/FLS 00 A6 Copy Kit Counter Other Bit-: Setting inhibit Mode (Do not count) Mode (Count ) Mode 3 (Count ) Setting inhibit 0 Fixed Setting change inhibit Description Setting of total counter counting method. Setting of paper size to be counted by size counter. Sets whether or not the copy kit counter is to count, and also whether or not copying is to be inhibited. Mode : Does not count. Mode : Counts. (Copying takes place when the set value is reached.) Mode 3: Counts. (Copying is inhibit when the set value is reached.) S-50

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131 Mode 45 Initial value Bit: HEX: 00 Logic Bit Function 0 Description 7 to 4 Fixed Setting change inhibit 3 Image Quality Mode Adjustment Bit3-0: 0000 Setting of image density for printing. (copy) Enables setting of special image 000 quality mode for Original Image 0 Type of MODE 409 Bit4-. - Mode 47 Initial value Bit: HEX: 00 Bit Function 7 to 3 Default Setting Country Classification (copy) Logic 0 Bit7-5: Arbitrary setting to 0 Fixed Setting change inhibit Description Setting differs depending upon the country. Mode 430 Initial value Bit: HEX: 78 Bit Function 7 to Overseas Scanner Timeout Time Logic 0 Bit7-0: Setting inhibit min. Description Setting of overseas scanner SMTP timeout time -second steps min min. Other Setting inhibit 0 Fixed Setting change inhibit S-5

132 TROUBLESHOOTING 443

133

134 CONTENTS. INTRODUCTION...T- -. Reading the Text... T-. I/O CHECK...T- -. Electrical Components Check Procedure... T- -. I/O Check List...T- 3. PAPER TRANSPORT FAILURE...T Paper Misfeed... T Size Error...T Misfeed Detection Sensor Layout... T Types of Misfeed Detection and Detection Timings... T Misfeed Troubleshooting Procedures... T-4 () st Drawer Take-Up Misfeed... T-4 () Manual Bypass Take-Up Misfeed... T-6 (3) Separator/Fusing/Exit Misfeed... T-8 (4) Paper Take-Up/Transport Misfeed (nd Fixed Paper Size Cassette/PF-8/PF-9)... T-0 (5) Paper Take-Up Misfeed (PF-7)... T-3 (6) Duplex Turnover/Take-Up Misfeed (AD-5)... T-6 4. MALFUNCTION...T Detection Timing by Malfunction Code... T Troubleshooting Procedures by Malfunction Code... T-33 () C0000: Main Motor malfunction C000: I/C Motor malfunction C0045: Cooling Fan Motor malfunction C004C: Ozone Fan Motor malfunction C004E: Power Unit Cooling Fan Motor malfunction C0070: Main Hopper Toner Replenishing Motor malfunction... T-33 () C04: Abnormal image transfer voltage... T-36 (3) C0500: Warming-up failure C050: Abnormally low fusing temperature C050: Abnormally high fusing temperature... T-37 (4) C0650: Faulty Scanner Home Position Sensor C065: Faulty Scanner Home Position Sensor... T-39 (5) C0990: LCC Lift-Up Motor failure to turn C099: Lift ascent motion failure C0995: LCC Transport Motor failure to turn C0999: Lift ascent motion failure C099D: LCC communication error... T-4 (6) C0F3: Faulty ATDC Sensor C0F33: ATDC adjustment failure...t-44 (7) C0XX to C3XX... T-45 (8) The Copier Does not Turn ON.... T IMAGE FAILURE...T Image Failure Troubleshooting... T Initial Checks...T Troubleshooting Procedures Classified by Image Failure... T-48 i

135 () Blank Copy...T-48 () Black Copy...T-49 (3) Low Image Density... T-50 (4) Foggy Background... T-5 (5) Black Streaks or Bands... T-5 (6) Black Spots...T-53 (7) Blank Streaks or Bands... T-54 (8) Void Areas...T-55 (9) Smear on Back...T-56 (0) Uneven Image Density... T-57 () Gradation Reproduction Failure... T-58 () Rough Image... T-59 (3) Periodically Uneven Image... T ABORT CODES...T List of Abort Codes... T-6 ii

136 . INTRODUCTION -. Reading the Text. The paper transport failure troubleshooting procedures are given according to the symptom. First identify the location where the paper is present and start the procedure for that particular location. For malfunction troubleshooting, start with step and onward.. Make checks in the numerical order of steps and, if an item is checked okay, go to the next step. Pattern Step Check Result Action ~ YES ~ Go to step if you answered No.. I/O CHECK Pattern -. Electrical Components Check Procedure Step Check Result Action ~ YES ~ NO ~ Go to step if it checks okay. To allow the Tech. Rep. to easily and safely determine whether a particular electrical component is fully operational, this copier provides the following provision. Checking the data of the input port of the board IC with the copier in the standby state (including a misfeed, malfunction, and closure failure condition) allows the Tech. Rep. to determine whether signals are properly input to an electrical component. <Procedure>. When a misfeed or malfunction occurs, identify on the circuit diagram accompanying the text the electrical component that is probably responsible for the problem.. Select I/O Check from the Tech. Rep. Mode menu. Then, select the screen that contains the electrical component picked out in step above. (See Tech. Rep. Mode contained in SWITCHES ON PWBs, TECH. REP. SETTINGS.) 3. Check the input data to determine if the signal is correctly input. <Electrical Component Check Procedure Through Checking Input Data> Example When a paper misfeed occurs in the paper take-up section of the copier, the Synchronizing Roller Sensor is considered to be responsible for it. <Procedure>. Remove the sheet of paper misfed.. From the I/O Check list, it is found that the signal input to the Synchronizing Roller Sensor is Timing Roller. 3. Select I/O Check from Tech. Rep. Mode and then Printer. Now, access the screen that contains Timing Roller. 4. Check that the input port data of Timing Roller is 0 (sensor is blocked). 5. Move the Synchronizing Roller Sensor actuator to unblock the sensor. 6. Check at this time that the input port data on the screen changes from 0 to. : Synchronizing Roller Sensor is operational. 0: Synchronizing Roller Sensor is faulty. T-

137 -. I/O Check List <I/O Check Screens> The following screen is only typical and it may be different from what is shown on each individual copier. IR <I/O Check List> IR Symbol Panel Display Parts/Signal Name PC3 Scanner (L) Scanner Home Position Sensor PC Scanner (HP) Scanner Home Position Sensor S6 Size reset S Size Reset Switch When closed PC4 Orig. cover detecting S 40T539CA Original Cover Detecting Sensor Operation Characteristics/Panel Display 0 Input Board Blocked At home Unblocked Not at MFB Board MFB home Within 5 When opened 5 or more IC No. Port No. CN/PJ No. CN4MFB-7 CN4MFB-6 CN4MFB-4 CN4MFB-5 T-

138 <I/O Check Screens> The following screen is only typical and it may be different from what is shown on each individual copier. Printer BackUp Next 40T540CA 40T54CA Next BackUp Next BackUp 40T543CA 40T54CA T-3

139 <I/O Check List> Printer Symbol Panel Display Parts/Signal Name PC6 PWB-H PC5 PC4 S5 PWB-I PC3/ PC03 PC/ PC0 PC4/ PC04 SW D PC PC3 PC PC4 SW D st Drawer nd Drawer Drawer Set Double Feed Paper Near Empty Paper Empty Width Detect Size Detect Paper Near Empty Paper Empty Side Cover Drawer Detect 3rd Take-up Drawer Paper Near Empty Paper Empty Side Cover Drawer Detect st Drawer Set Sensor Double Feed Detecting Board * st Drawer Paper Near Empty Sensor st Drawer Paper Empty Sensor Paper Size Detecting Sensor (CD) Paper Size Detecting Board Paper Near Empty Sensor Paper Empty Sensor Door Set Sensor Drawer Set Switch When PF-8 is used When PF-9 is used Paper Take-Up Sensor Paper Near Empty Sensor Paper Empty Sensor Door Set Sensor Drawer Set Switch When PF-8 is used When PF-9 is used Operation Characteristics/Panel Display 0 In position Out of position Input Board Master Board PWB-A *: The Double Feed Sensor is an electrical component for the 35-cpm copier. *: is displayed when the Double Feed Sensor is blocked and, at the same time, the Main Motor is energized. IC No. Port No. CN/PJ No. ICA P0 PJ3A-5B Blocked * Unblocked ICA P0 PJ4A- Unblocked Blocked ICA P03 PJ3A-B Paper not present Max. width Paper present Width other than max. ICA P05 PJ5A-4A ICA P33 PJ3A-8B Analog value ICA P03/ AN3 Unblocked Blocked Control Board PWB-A Paper not present When opened Paper present When closed In position: 3 displayed Out of position: 0 displayed In position Paper present Out of position Paper not present Control Board PWB-A PJ5A-6B to PJ5A-9B ICA P86 PJ3A-A ICA P85 PJ3A-4A ICA PC PJ3A-7B ICA ICA PC0 PC PC0 PC PJ3A-4B PJ3A-B PJ3A-4B PJ3A-B ICA PB7 PJ3A-5A Unblocked Blocked ICA P86 PJ3A-A Paper not present When opened Paper present When closed In position: 3 displayed Out of position: 0 displayed In position Out of position ICA P85 PJ3A-4A ICA PC PJ3A-7B ICA ICA PC0 PC PC0 PC PJ3A-4B PJ3A-B PJ3A-4B PJ3A-B T-4

140 Symbol Panel Display Parts/Signal Name PC PC3 PC PC4 SW D PC PC3 PC PC4 SW D PC PC PC8 4th Take-up Drawer Paper Near Empty Paper Empty Side Cover Drawer Detect 5th Take-up Drawer Paper Near Empty Duplex/ Bypass Paper Empty Side Cover Drawer Detect Duplex Set Duplex Paper Duplex Cover Paper Take-up Bypass Set Paper Take-Up Sensor Paper Near Empty Sensor Paper Empty Sensor Door Set Sensor Drawer Set Switch When PF-8 is used When PF-9 is used Paper Take-Up Sensor Paper Near Empty Sensor Paper Empty Sensor Door Set Sensor Drawer Set Switch When PF-8 is used When PF-9 is used Duplex Unit Set signal Duplex Unit Transport Sensor Duplex Unit Door Set Sensor Manual Feed Paper Take-Up Sensor Manual Bypass Tray Set signal Operation Characteristics/Panel Display Paper present 0 Paper not present Input Board Control Board PWB-A IC No. Port No. CN/PJ No. ICA PB7 PJ3A-5A Unblocked Blocked ICA P86 PJ3A-A Paper not present When opened Paper present When closed In position: 3 displayed Out of position: 0 displayed In position Paper present Out of position Paper not present Control Board PWB-A ICA P85 PJ3A-4A ICA PC PJ3A-7B ICA ICA PC0 PC PC0 PC PJ3A-4B PJ3A-B PJ3A-4B PJ3A-B ICA PB7 PJ3A-5A Unblocked Blocked ICA P86 PJ3A-A Paper not present When opened Paper present When closed In position: 3 displayed Out of position: 0 displayed In position In position Paper present When opened Paper present In position Out of position Out of position Paper not present When closed Paper not present Out of position Master Board PWB-A ICA P85 PJ3A-4A ICA PC PJ3A-7B ICA ICA PC0 PC PC0 PC PJ3A-4B PJ3A-B PJ3A-4B PJ3A-B ICA P9 PJA-3B ICA P9 PJA-B ICA P90 PJA-B ICA P00 PJA-7B ICA P30 PJA-9B T-5

141 Symbol Panel Display Parts/Signal Name LS LCC Lift Level LS Lift Level RSEN Registration Lift-Up Sensor Lift-Up Sensor Registration Sensor S SS Paper Standby Position Sensor PPS0 PPS0S LCC Paper Take- Up Sensor PPS PPSS Paper Empty Sensor RS RS Paper Near Empty Paper Near Empty EMP Paper Empty Paper Size TH Fusing Unit Fusing Thermistor I/C I/C Discrimination Paper Near Empty Sensor Paper Near Empty Sensor Paper Empty Sensor DIP switch Fusing Roller Thermistor I/C Type Detection signal Operation Characteristics/Panel Display At upper limit At upper limit Paper present 0 Paper present *3 Paper present Paper present Not at upper limit Not at upper limit Paper not present Paper not present *3 Paper not present Paper not present Input Board LCC Control Board PWB-A *3: The display of or 0 is selected only while LCC Transport Motor is being energized. IC No. Port No. IC4A P74/ ANI4 IC4A P73/ ANI3 IC4A P/ INTP IC4A P3/ INTP/ CI IC4A P4/ INTP3 IC4A P5/ INTP4/ ASCK Blocked Unblocked IC4A P75/ ANI5 Blocked Unblocked IC4A P76/ ANI6 Paper present Paper not present Letter C: 0 displayed A4C: displayed B5C: displayed Analog value Master Board PWB-A IC4A P7/ ANI IC4A P3 P4 P5 ICA P07/ AN7 Analog value ICA P00/ AN0 UN ATDC ATDC Sensor Analog value ICA P06/ AN6 TH Drum Thermistor I/C Thermistor Analog value ICA P04/ AN4 CN/PJ No. CN4A-6 CN4A-9 CN4A- CN3A-5 CN4A- CN3A- CN6A- CN5A-5 CN3A-8 PJ5A-6 PJ6A-7 PJ6A-8 PJ6A-3 PJ3A-0A T-6

142 Symbol Panel Display Parts/Signal Name SIDE Doors/ Toner FRONT S PC S4 PC0 PC Paper Passage LCC Side Cover LCC Front Cover Side Cover Toner Bottle Cover Sub Hopper Toner Bottle Set Timing Roller Door Set Sensor LCC Set Sensor Side Cover Interlock Switch Toner Bottle Cover Sensor Sub Hopper Toner Empty Switch Toner Bottle Home Position Sensor Synchronizing Roller Sensor Operation Characteristics/Panel Display When opened Out of position When opened When opened 0 When closed Input Board LCC Control Board PWB-A IC No. Port No. IC4A P34/ T00 In position IC4A P35/ T0 When closed When closed Toner not loaded: and 0 alternately displayed. Toner loaded: 0 displayed At home Paper present PC3 Exit Paper Exit Sensor Paper present M Drive Motor Detect Main Motor Main Motor/Lock When energized M I/U Motor I/C Motor/Lock When energized M5 Polygon Motor Polygon Motor/ Lock When energized Not at home Paper not present Paper not present When deenergized When deenergized When deenergized Master Board PWB-A CN/PJ No. CN3A- CN6A-9 ICA P3 ICA P3 PJ3A-0B ICA P06 PJ3A-5B ICA P40 PJ5A-4B ICA P4 PJ3A-7A ICA P77 PJ3A-A ICA P43 PJ5A- ICA P4 PJ5A-4 ICA P47 PJ9A-4 T-7

143 3. PAPER TRANSPORT FAILURE 3-. Paper Misfeed When a paper misfeed occurs, the Touch Panel shows the corresponding message, misfeed location, and paper location. display display Misfeed location Paper location T544CA 40T545CA or Display Misfeed/Paper Location Ref. Page See the relevant option service manual. Separator, Fusing Unit, Exit T-8 8 Manual Bypass take-up T-6 9 Duplex turnover, Duplex take-up T-6 0 st Drawer take-up T-4 Transport T-0 nd Drawer take-up T-0 3 3rd Drawer take-up T-0 or T-3 4 4th Drawer take-up T-0 or T-3 5 5th Drawer take-up T See the relevant option service manual. 0 T-8

144 If a communications error occurs between MFB Board and Master Board during a copy cycle, it forces a paper misfeed condition ( displayed on the Touch Panel). If that happens, check the circuit between MFB Board and Master Board for proper connection and, if it is intact, replace the board. <Resetting the Display> Misfeed in the copier Open the relevant door, remove all sheets of paper misfed and left inside, and then open and close the Side Cover. Misfeed in the option Remove all sheets of paper misfed and left inside, and then raise and lower or disconnect and reconnect the option. If the misfeed display is not reset by these procedures, check the misfeed detecting sensor at the paper location. T-9

145 3-. Size Error The following warning screen appears if the actual size of the paper loaded in a paper source differs from the paper size set for that particular paper source. st to 5th Drawer Manual Bypass 40T546CA st to 5th Drawer: A size error is indicated by a highlighted paper source in the copier overview display. <Resetting the Size Error Display> Press the Panel Reset key. Slide out the drawer, then slide it back in, or load paper in the Manual Bypass Tray. <Causes of a Size Error> Wrong paper size settings have been made. The user loads paper of a size different from what is set for the paper source. Two or more sheets of paper are being taken up and fed in. 40T547CA T-0

146 3-3. Misfeed Detection Sensor Layout Paper Exit Sensor PC3 Duplex Unit Door Set Sensor PC Duplex Unit Transport Sensor PC Synchronizing Roller Sensor PC Manual Feed Paper Take-Up Sensor PC8 40T548CA Paper Take-Up Sensor PC0 The Duplex Unit is standard on the 35-cpm copier. A fixed paper size cassette is standard for the nd Drawer of the 5-cpm and 35-cpm copier. T-

147 3-4. Types of Misfeed Detection and Detection Timings The following lists the types of misfeed detection and detection timings for different misfeed locations. The symbol L (for the leading edge) and T (for the trailing edge) given in ( ) indicate the particular edge of the paper detected by the sensor. NOTE For the types of misfeed detection and detection timings of options, see the relevant option service manual. st Drawer Take-Up Misfeed Manual Bypass Take-Up Misfeed nd Drawer Take-Up/Transport Misfeed Separator Misfeed Fusing/Exit Misfeed Type Detection Start Detection Paper take-up failure detection st Drawer Paper Take-Up Solenoid energized Synchronizing Roller Sensor (L) Type Detection Start Detection Bypass paper take-up failure detection Paper left Manual Feed Paper Take-Up Clutch energized Power Switch ON / Misfeed reset Synchronizing Roller Sensor (L) Manual Feed Paper Take-Up Sensor activated Type Detection Start Detection Paper take-up failure detection Paper left Paper Take-Up Clutch energized Power Switch ON / Misfeed reset Synchronizing Roller Sensor (L) Paper Take-Up Sensor activated Type Detection Start Detection Leading edge detection by Paper Exit Sensor Trailing edge detection by Synchronizing Roller Sensor / size error misfeed detection Paper left Synchronizing Roller Sensor (L) Synchronizing Roller Sensor (L) Power Switch ON / Misfeed reset Paper Exit Sensor (L) Synchronizing Roller Sensor (T) Synchronizing Roller Sensor activated Type Detection Start Detection Trailing edge detection by Paper Exit Sensor Paper left Synchronizing Roller Sensor (T) Power Switch ON / Misfeed reset Paper Exit Sensor (T) Paper Exit Sensor activated T-

148 Duplex Turnover/Take-Up Misfeed Type Detection Start Detection Leading edge detection by Duplex Unit Transport Sensor Paper take-up failure detection Paper left Paper Exit Sensor (T) Duplex Unit Transport Sensor (L) Power Switch ON / Misfeed reset Duplex Unit Transport Sensor (L) Synchronizing Roller Sensor (L) Duplex Unit Transport Sensor activated T-3

149 3-5. Misfeed Troubleshooting Procedures () st Drawer Take-Up Misfeed Relevant Electrical Parts st Drawer Paper Take-Up Solenoid SL Master Board PWB-A Synchronizing Roller Sensor PC PC PJ9 3 CN PWB-A PJ3A-6A (GND) PJ3A-7A (PC ON) PJ3A-8A (DC5 V) CN0 SL PJ3A-3B (SL ON) PJ3A-B (DC4 V) 40T53AA T-4

150 st Drawer Take-Up Misfeed Troubleshooting Procedures Paper is not taken up at all. Step Check Result Action Paper meets product specifications. NO Change paper. Paper is curled, wavy, or damp. YES Change paper. Instruct user in correct paper storage. 3 Edge Guide and Trailing Edge Stop are at correct NO Set as necessary. position to accommodate paper. 4 Paper Take-Up Roll is dirty, deformed, or worn. YES Clean or change. 5 Mylar is dirty or deformed. YES Clean or change. 6 Paper Lifting Plate is dirty or deformed. YES Clean or change. 7 Separator Pad is dirty, deformed, or worn. YES Clean or change. 8 Paper take-up guide plate is dirty or deformed. YES Clean or change. 9 st Drawer Paper Take-Up Solenoid operation YES Change solenoid. check: the voltage across CN0- on the side of Master Board and GND changes from DC4 V to DC0 V when the Start key is pressed. NO Change Master Board. Paper is at a stop near the Synchronizing Roller. Step Check Result Action Pre-Image Transfer Guide Plate is dirty or YES Clean or change. deformed. Synchronizing Roller Sensor operation check through I/O check YES NO Change Master Board. Check actuator. Change Synchronizing Roller Sensor. T-5

151 () Manual Bypass Take-Up Misfeed Manual Feed Paper Take-Up Clutch CL Synchronizing Roller Sensor PC Relevant Electrical Parts Manual Feed Paper Take-Up Sensor PC8 Master Board PWB-A PWB-A CL PC8 PJ3 3 PJ40 3 CN36 CN CN6 PJA-8A (DC4 V) PJA-9A (CL ON) PJA-8B (GND) PJA-7B (PC8 ON) PJA-6B (DC5 V) PC PJ PJ3A-6A (GND) PJ3A-7A (PC ON) PJ3A-8A (DC5 V) 40T54AA T-6

152 Manual Bypass Take-Up Misfeed Troubleshooting Procedures Paper is not taken up at all. Step Check Result Action Paper meets product specifications. NO Change paper. Paper is curled, wavy, or damp. YES Change paper. Instruct user in correct paper storage. 3 Edge Guides are at the correct position along NO Set as necessary. the edges of the paper. 4 Manual Feed Paper Take-Up Rolls are dirty, deformed, or worn. YES Clean or change. 5 Manual Feed Paper Take-Up Sensor operation check through I/O check 6 Manual Feed Paper Take-Up Clutch operation check: the voltage across CN4- on the side of Master Board and GND changes from DC4 V to DC0 V when the Side Cover is opened and closed. Paper is at a stop near the Synchronizing Roller. NO YES NO Check actuator. Change Manual Feed Paper Take-Up Sensor. Change Manual Feed Paper Take-Up Clutch. Change Master Board. Step Check Result Action Pre-Image Transfer Guide Plate is dirty or YES Clean or change. deformed. Synchronizing Roller Sensor operation check through I/O check YES NO Change Master Board. Check actuator. Change Synchronizing Roller Sensor. T-7

153 (3) Separator/Fusing/Exit Misfeed Paper Exit Sensor PC3 Synchronizing Roller Sensor PC Relevant Electrical Parts Synchronizing Clutch CL Master Board PWB-A CL PJ4 3 CN3 CN6 PWB-A PC PC3 PJ9 3 PJ CN PJ3A-A (DC4 V) PJ3A-A (CL ON) PJ3A-6A (GND) PJ3A-7A (PC ON) PJ3A-8A (DC5 V) PJ3A-A (GND) PJ3A-A (PC3 ON) PJ3A-3A (DC5 V) 40T55AA T-8

154 Separator/Fusing/Exit Misfeed Troubleshooting Procedures Paper is at a stop near the Synchronizing Roller. Step Check Result Action Pre-Image Transfer Guide Plate is dirty or YES Clean or change. deformed. Synchronizing Rollers are dirty, deformed, or worn. YES Clean or change. 3 The misfeed is eliminated after the paper loop length has been adjusted. 4 Synchronizing Roller Sensor operation check through I/O check 5 Synchronizing Clutch operation check: the voltage across CN6-9 on the side of Master Board and GND changes from DC4 V to DC0 V when the Start key is pressed. Paper is at a stop near the PC Drum. Paper is at a stop at the fusing section. Paper is at a stop at the exit section. YES NO YES NO This completes the procedure. Check actuator. Change Synchronizing Roller Sensor. Change Synchronizing Clutch. Change Master Board. Step Check Result Action Image Transfer Roller is dirty or deformed. YES Clean or change. Charge Neutralizing Plate is dirty or deformed. YES Clean or change. 3 PC Drum Paper Separator Fingers are dirty or deformed. YES Clean or change. Step Check Result Action Fusing Guide Plate is dirty or deformed. YES Clean or change. Fusing Rollers are dirty, deformed, or worn. YES Clean or change. 3 Fusing Separator Fingers are dirty or deformed. YES Clean or change. Step Check Result Action Paper Exit Roller is dirty, deformed, or worn. YES Clean or change. Paper Exit Sensor operation check through I/O check YES NO Change Master Board. Check actuator. Change Paper Exit Sensor. T-9

155 (4) Paper Take-Up/Transport Misfeed (nd Fixed Paper Size Cassette/PF-8/PF- 9) Paper Take-Up Clutch CL Paper Take-Up Sensor PC Synchronizing Roller Sensor PC I/C Motor M Relevant Electrical Parts Power Supply Unit PU Control Board PWB-A Master Board PWB-A PC PJ9 3 CN PWB-A PJ3A-6A (GND) PJ3A-7A (PC ON) PJ3A-8A (DC5 V) CN M CN8 3 3 CN PJ5A- PJ5A- PJ5A-3 PJ5A-4 PJ6A- PJ6A- CN5 PJ3A PJA M PC PJ 3 CN73 CN PJ5A- PJ5A- PJ5A-3 PJ5A-4 PJ6A- PJ6A- PJ3A-3A (DC5 V) PJ3A-4A (GND) PJ3A-5A (PC ON) PJA 4th Drawer PWB-A (PF-8/PF-9) CL M PC CN73 CN8 3 3 PJ 3 CN73 CN nd Drawer PWB-A 4 3 PJ3A-4B (CL REM) PJ3A-3B (DC4 V) PJ5A- PJ5A- PJ5A-3 PJ5A-4 PJ6A- PJ6A- PJ3A-3A (DC5 V) PJ3A-4A (GND) PJ3A-5A (PC ON) PJA PJA 3rd Drawer PWB-A (PF-8/PF-9) CL M PC CL CN84 PJ 3 CN CN PJ3A-4B (CL REM) PJ3A-3B (DC4 V) PJ5A- PJ5A- PJ5A-3 PJ5A-4 PJ6A- PJ6A- PJ3A-3A (DC5 V) PJ3A-4A (GND) PJ3A-5A (PC ON) PJ3A-4B (CL REM) PJ3A-3B (DC4 V) PJA PJA 5th Drawer PWB-A (PF-8/PF-9) CL PJ3A-4B (CL REM) PJ3A-3B (DC4 V) PJA PU Fuse PJ8PU-6 (DC4 V) GND A fixed paper size cassette is standard for the nd Drawer of the 5-cpm and 35-cpm copier. T-0 40T549CA

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157 Paper is at a stop at the vertical transport section or near the Synchronizing Roller. Step Check Result Action Vertical Transport Roller is dirty, deformed, or YES Clean or change. worn. Vertical transport guide plate is dirty or YES Clean or change. deformed. 3 Paper Take-Up Sensor operation check: I/O check of all Paper Take-Up Sensors YES Check step 5. 4 Paper Take-Up Sensor operation check: the voltage across PJ3A-5A on Control Board and GND is DC5 V when the sensor is blocked and DC0 V when the sensor is unblocked. 5 Synchronizing Roller Sensor operation check through I/O check YES NO YES NO Change Control Board. Change Master Board. Check actuator. Change Paper Take-Up Sensor. Change Master Board. Correct actuator. Change Synchronizing Roller Sensor. T-

158 (5) Paper Take-Up Misfeed (PF-7) LCC Paper Take-Up Sensor PPS0 Paper Empty Sensor PPS Paper Standby Position Sensor S Registration Sensor RSEN Paper Take-Up Clutch PCL Paper Take-Up Clutch PCL Relevant Electrical Parts Separator Clutch BCL Registration Clutch RCL LCC Control Board PWB-A Control Board PWB-A Master Board PWB-A nd Drawer PWB-A PWB-A CN5 PJA PJ3A PJA DC4 V CNA- GND CNA-5 CNA-6 CNA-7 CN CNA-9 CNA-0 4th Drawer PWB-A (PF-7) CNA- CNA-5 CN7A-8 (PCL ON) CN7A-7 (DC4 V) CN7A-6 (PCL ON) CN7A-5 (DC4 V) CN7A-4 (RCL ON) CN7A-3 (DC4 V) CN7A- (BCL ON) CN7A- (DC4 V) CN4A- (PPS0 LED) CN4A- (PPS0 ON) CN4A-0 (DC5 V) CN CN CN3 CN4 PJ4 3 PPS0 PCL PCL RCL BCL PJA 3rd Drawer PWB-A (PF-8/PF-9) PJA- PJA-4 PJA-6 PJA-7 PJA-8 PJA- CN4A-3 (RSEN LED) CN4A- (RSEN ON) CN4A- (DC5 V) CN3A-6 (S LED) CN3A-5 (S ON) CN3A-4 (DC5 V) CN3A-3 (PPS LED) CN3A- (PPS ON) CN3A- (DC5 V) PJ7 3 PJ0 3 PJ 3 RSEN S PPS 40T550CA T-3

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161 (6) Duplex Turnover/Take-Up Misfeed (AD-5) Paper Exit Sensor PC3 Synchronizing Roller Sensor PC Manual Feed Paper Take-Up Clutch CL Duplex Unit Transport Sensor PC Relevant Electrical Parts Duplex Unit Turnover Motor M Duplex Unit Transport Motor M Duplex Unit Control Board PWB-A Master Board PWB-A CL PJ3 3 CN36 CN4 PJA-A (DC4 V) PJA-A (GND) PJA-3A (M E) PJA-4A (M CLK) PJA-5A (M CW/CCW) PJA-6A (M CLK) PJA-7A (M E) PJA-8A (DC4 V) PJA-9A (CL ON) PWB-A 7 7 CN6 PJA-5B (DC5 V) PJA-4B (GND) PJA-3B (DUP SET PC) PJA-B (PC ON) PJA-B (DUP OPEN PC) PC PC3 PJ9 3 PJ CN7 3 3 PJ3A-6A (GND) PJ3A-7A (PC ON) PJ3A-8A (DC5 V) PJ3A-A (GND) PJ3A-A (PC ON) PJ3A-3A (DC5 V) M PJ3A-4 PJ3A-3 PJ3A- PJ3A- PJ4A-6 (DC5 V) PJ4A-5 (PC ON) PJ4A-4 (GND) PJ46 3 PC CN3 PWB-A (AD-5) PJA- PJA- PJA-3 PJA-4 PJA- (PC ON) PJA- (M E) PJA-0 (M CLK) PJA-9 (M E) PJA-8 (M CLK) PJA-7 (M CW/CCW) PJA-6 (DC 5V) PJA-5 (GND) PJA-4 (DUP SET PC) PJA-3 (DUP OPEN PC) PJA- (GND) PJA- (DC4 V) M 40T530CA The Duplex Unit is standard on the 35-cpm copier. T-6

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164 4. MALFUNCTION The copier s CPU is equipped with a self-diagnostics function that, on detecting a malfunction, gives the corresponding malfunction code on the Touch Panel. Malfunction Resetting Procedure For all malfunctions except fusing-related ones, turn OFF, then ON the Power Switch or open and close the Side Cover. Use Trouble Reset of the Initial mode to reset all malfunctions including fusing-related ones. 4-. Detection Timing by Malfunction Code Code Description Detection Timing C0000 Main Motor malfunction The Lock signal remains HIGH for a continuous -sec. period while the Main Motor remains energized. C000 I/C Motor malfunction The Lock signal remains HIGH for a continuous -sec. period while the I/C Motor remains energized. C0045 C004C C004E C0070 C04 Cooling Fan Motor malfunction Ozone Fan Motor malfunction Power Unit Cooling Fan Motor malfunction Main Hopper Toner Replenishing Motor malfunction Abnormal image transfer voltage The Lock signal remains HIGH or LOW for a continuous -sec. period or more while the Cooling Fan Motor remains energized. The Lock signal remains HIGH or LOW for a continuous -sec. period or more while the Ozone Fan Motor remains energized. The Lock signal remains HIGH or LOW for a continuous -sec. period or more while the Power Unit Cooling Fan Motor remains energized. The Toner Bottle Home Position Sensor remains blocked (L) for a continuous -sec. period or more while the Main Hopper Toner Replenishing Motor remains energized. The Toner Bottle Home Position Sensor remains unblocked (H) for a continuous 6-sec. period or more while the Main Hopper Toner Replenishing Motor remains energized. The image transfer voltage remains more than 00 V for a continuous 0.-sec. period or more while the PC Drum remains stationary (except while an F operation is being run). C0500 Warming-up failure The temperature of the Fusing Rollers does not reach the required level even after the lapse of a given period of time during a warm-up cycle. From room temperature to 00 C: Within 65 sec. From 00 C to 40 C: Within 30 sec. From 40 C to 70 C: Within 0 sec. From 70 C to the completion of warming-up: Within sec. T-9

165 Code Description Detection Timing C050 Abnormally low fusing temperature The fusing temperature remains 05 C or less for a continuous 0.-sec. period or more during the standby state or printing. The fusing temperature remains a level lower than the following temperature for a continuous -min. period or more during the low-temperature standby state. 35-cpm copier: 05 C 5-cpm copier: 80 C 0-cpm copier (U.S.A. and Canada only): 80 C C050 Abnormally high fusing temperature The fusing temperature remains 30 C or more for a continuous 0.-sec. period or more. C0650 C065 Faulty Scanner Home Position Sensor Faulty Scanner Home Position Sensor C0990 LCC Lift-Up Motor failure to turn C099 Lift ascent motion failure C0995 LCC Transport Motor failure to turn C0999 Lift ascent motion failure C099D LCC communication error C0B00 Transport Motor drive malfunction C0B0 Stapling Unit Moving Motor drive malfunction C0B30 CD Aligning Motor drive malfunction <The Power Switch is turned ON, Original Cover lowered, or Start key pressed when the Scanner is at its home position> The Scanner Home Position Sensor is not unblocked (H) even when the Scanner moves 0 mm to the left. The Scanner Home Position Sensor is not blocked (L) even when the Scanner moves 4 mm to the right after the Scanner Home Position Sensor has been unblocked (H). <The Power Switch is turned ON, Original Cover lowered, or Start key pressed when the Scanner is at any position other than home> The Scanner Home Position Sensor is not blocked (L) even when the Scanner moves mm to the right. When the Start key is pressed with a document loaded in the Document Feed Tray of the ADF, Scanner Home Position Sensor is not blocked (L) even when the Scanner moves 463 mm to the left after the sensor has been unblocked (H). See the relevant option service manual. T-30

166 Code Description Detection Timing C0B38 Shift Motor drive malfunction C0B48 Exit Roller/Rolls Spacing Motor drive malfunction C0B4A Storage Roller/Rolls Spacing Motor drive malfunction C0B4D Paper Holding Tray Motor drive malfunction C0B4E Finisher Tray Motor drive malfunction C0B50 Stapling Motor drive malfunction / Stapling See the relevant option service manual. Motor drive malfunction C0B54 Stapling Motor drive malfunction C0B73 Punch Motor drive malfunction C0B78 Hole Position Selector Motor drive malfunction (U.S.A. and Canada) C0B80 Shift Motor drive malfunction C0BA0 Elevator Motor drive malfunction C0F3 Faulty ATDC Sensor The value of data read by the ATDC Sensor is faulty. (ATDC Sensor reading is 9 % or more, or 7 % or less.) C0F33 ATDC adjustment failure In an F8 (ATDC control voltage automatic adjustment) operation, the adjustment of ATDC control voltage is not completed within min. after the ATDC Sensor sampling. In an F8 operation, the control voltage falls outside the range of 5.39 V to 8.5 V. C038 Engine connection error The system fails in checking initial engine connection when the Power Switch is turned ON. The system succeeded in checking initial connection when the Power Switch was turned ON; then it fails in rechecking initial connection through the execution of a software reset when a communications error occurs during operation. T-3

167 Code Description Detection Timing C300 Polygon Motor malfunction <Faulty start detection> The Lock signal is not detected at any time during a given period of time sec. after the Polygon Motor has been energized. <Faulty Lock signal detection> No Lock signals are detected at any time during the -sec. period which starts sec. after the first Lock. <Out-of-timing Lock detection> The Lock signal is not detected for a continuous 0.5- sec. period while the Polygon Motor is in the stabilized turning state. <Abnormal Lock detection> The Lock signal remains ON for a continuous 5-sec. period while the Polygon Motor remains deenergized. C33A Communications error (G/A) Communications with the gate array for expansion I/O (the IC mounted on the Master Board) fail. C33B Communications error (option I/F) The connection status of a finishing option is changed after the power has been turned ON. C3C0 I/C initialization failure After failing to blow the imaging cartridge fuse two consecutive times, the I/C is determined to be new. C3D0 Faulty EEPROM EEPROM, in which no initial data is written, is found. C3F0 HSYNC detection failure The SOS falling edge is not detected for 0. sec. or more after the Polygon Motor has been energized and laser output started. No SOS falling edges are detected while VIA remains ON. For the printer controller malfunctions of C8XX, see Pi350 service manual. T-3

168 4-. Troubleshooting Procedures by Malfunction Code () C0000: Main Motor malfunction C000: I/C Motor malfunction C0045: Cooling Fan Motor malfunction C004C: Ozone Fan Motor malfunction C004E: Power Unit Cooling Fan Motor malfunction C0070: Main Hopper Toner Replenishing Motor malfunction Main Motor M I/C Motor M Cooling Fan Motor M3 Ozone Fan Motor M8 Relevant Electrical Parts Power Unit Cooling Fan Motor M4 Main Hopper Toner Replenishing Motor M6 Toner Bottle Home Position Sensor PC0 Master Board PWB-A M M PJ 3 4 PJ PWB-A PJ5A- (M REM) PJ5A- (M LOCK) PJ5A-3 (M REM) PJ5A-4 (M LOCK) PJ5A-4 (M F/R) M3 CN9 3 3 DC4 V GND CN PJ3A-3A (M3 REM) PJ3A-4A (GND) PJ3A-5A (M3 LOCK) PJ5A-B (M6 ON) PJ5A-B (GND) PJ5A-3B (GND) PJ5A-4B (PC0 ON) PJ5A-5B (DC5 V) PJ0A- (M4 REM) PJ0A- (GND) PJ0A-3 (M4 LOCK) PJ0A-4 (M8 ON) PJ0A-5 (GND) PJ0A-6 (M8 LOCK) CN43 PJ0 3 M6 PC0 CN M4 3 3 CN8 M T50AA T-33

169 C0000 Step Check Result Action Main Motor operation check: the voltage across PJ-3 of the Main Motor and GND changes from DC5 V to DC0 V when the Side Cover is opened and closed. C000 C0045 C004C C004E YES NO Check various parts for possible overload. Change Main Motor. Change Master Board. Step Check Result Action I/C Motor operation check: the voltage across PJ-3 of the I/C Motor and GND changes from DC5 V to DC0 V when the Side Cover is opened and closed. YES NO Check various parts for possible overload. Change I/C Motor. Change Master Board. Step Check Result Action Cooling Fan Motor operation check: the voltage across CN6-8 on the side of Master Board and GND changes from DC0 V to DC4 V when the Power Switch is turned ON. YES NO Change Cooling Fan Motor. Change Master Board. Step Check Result Action Ozone Fan Motor operation check: the voltage YES Change Ozone Fan Motor. across CN8-3 on the side of Master Board and GND changes from DC0 V to DC4 V when the Power Switch is turned ON. NO Change Master Board. Step Check Result Action Power Unit Cooling Fan Motor operation check: the voltage across CN-3 on the side of Master Board and GND changes from DC0 V to DC4 V when the Power Switch is turned ON. YES NO Change Power Unit Cooling Fan Motor. Change Master Board. T-34

170 C0070 Step Check Result Action Main Hopper Toner Replenishing Motor operation check: Remove the Lower Rear Cover. Unlock the Toner Bottle Lock Lever. Block the Toner Bottle Cover Sensor. Turn the Toner Bottle a half turn by hand. The Toner Bottle turns when the Toner Bottle Cover Sensor is unblocked under the above conditions. YES Check step 3. Main Hopper Toner Replenishing Motor operation check: the voltage across CN43- on the side of Master Board and GND changes from DC0 V to DC4 V when step is performed. 3 Toner Bottle Home Position Sensor operation check through I/O check YES NO YES NO Change Main Hopper Toner Replenishing Motor. Change Master Board. Change Master Board. Change Toner Bottle Home Position Sensor. T-35

171 () C04: Abnormal image transfer voltage Power Supply Unit PU High Voltage Unit PU Relevant Electrical Parts Master Board PWB-A PU PJ9PU- (DC5 V) PJ9PU- (GND) DC4 V GND CN PU CNPU- (DC4 V) CNPU- (GND) CNPU-3 (GND) CNPU-4 (DC5 V) PWB-A CN7 5 PJ5A-4A (P.C./I.T. REM) PJ5A-3A (I.T. CONTROL) PJ5A-A (MONITOR) CNPU-4 (P.C./I.T. REM) CNPU-5 (I.T. CONTROL) CNPU-7 (MONITOR) C04 Step Check Result Action The voltage across CN- on the side of Power Supply Unit and GND is DC4 V. The voltage across CN- on the side of Power Supply Unit and GND is DC5 V. The voltage across CN7- on the side of Master Board and GND remains DC. V or less while the malfunction code is being displayed. 3 The voltage across CN7-5 on the side of Master Board and GND remains DC0.9 V or more while the malfunction code is being displayed. NO YES YES NO Change Power Supply Unit. Change Master Board. 40T533AA Change Master Board. Change High Voltage Unit. T-36

172 (3) C0500: Warming-up failure C050: Abnormally low fusing temperature C050: Abnormally high fusing temperature Fusing Roller Heater Lamp H Fusing Roller Thermistor TH Fusing Roller Thermostat TS Fusing Roller Heater Lamp Fuse TF Relevant Electrical Parts Side Cover Interlock Switch S3 Power Supply Unit PU Master Board PWB-A TH CN PWB-A PJ5A-5 (H REM) PJ5A-6 (TH ON) PJ5A-7 (GND) PU PJ4PU-5 (H REM) PJPU-N PJPU-L CN4 S3 A A B B CN3 TS TF H 40T55AA T-37

173 C0500,C050 Step Check Result Action Fusing Roller Heater Lamp turns ON when the NO Check step 3 and onward. Side Cover is opened and closed. The resistance of Fusing Roller Thermistor (across CN5- and 3 on the Fusing Unit end) is infinity. C050 YES NO Change Fusing Roller Thermistor. Change Master Board. 3 There is continuity across CN3- and on the YES Check step 7. Fusing Unit end. 4 Fusing Roller Heater Lamp is conducting. NO Change Fusing Roller Heater Lamp. 5 Fusing Roller Thermostat is conducting. NO Change Fusing Roller Thermostat. 6 Fusing Roller Heater Lamp Fuse is conducting. NO Change Fusing Roller Heater Lamp Fuse. 7 There is continuity across A and B, and across A and B, when Side Cover Interlock Switch is actuated. YES NO Change Power Supply Unit. Change Master Board. Change Side Cover Interlock Switch. Step Check Result Action Fusing Roller Thermistor is dirty. YES Clean. The circuit across CN5- and -3 on the Fusing Unit end is shorted. YES NO Change Fusing Roller Thermistor. Change Master Board. T-38

174 (4) C0650: Faulty Scanner Home Position Sensor C065: Faulty Scanner Home Position Sensor Scanner Home Position Sensor PC Scanner Home Position Sensor PC3 Scanner Motor M0 Relevant Electrical Parts BCR Board BCR MFB Board MFB Master Board PWB-A CN PC CN3 3 3 PC3 BCR CNBCR CN3BCR-3 CN3BCR- CN3BCR- CNBCR- (PC ON) CNBCR- (GND) CNBCR-3 (DC5 V) CNBCR- (PC3 ON) CNBCR- (GND) CNBCR-3 (DC5 V) PJ3 3 M0 PWB-A PJA MFB CN4MFB CN8 CN4MFB T534AA T-39

175 C0650,C065 Step Check Result Action Scanner Motor operation check: Select functions in the following order: Tech. Rep. Mode Movement Check Scanner; set +000 in Relative Position and touch Set ; the Scanner moves at this time. YES Check step 3 and onward. The Scanner can be moved manually. YES Change Scanner Motor. Change BCR Board. Change MFB Board. Change Master Board. NO Correct drive coupling. 3 C065 is displayed. YES Check step 7 and onward. 4 Scanner Home Position Sensor operation check through I/O check 5 Scanner Home Position Sensor operation check: the voltage across CNBCR- on BCR Board and GND is DC0 V when the sensor is blocked and DC5 V when the sensor is unblocked. 6 Scanner Home Position Sensor operation check: the voltage across CNBCR-6 on BCR Board and GND is DC0 V when the sensor is blocked and DC5 V when the sensor is unblocked. 7 Scanner Home Position Sensor operation check through I/O check 8 Scanner Home Position Sensor operation check: the voltage across CNBCR- on BCR Board and GND is DC0 V when the sensor is blocked and DC5 V when the sensor is unblocked. 9 Scanner Home Position Sensor operation check: the voltage across CNBCR-7 on BCR Board and GND is DC0 V when the sensor is blocked and DC5 V when the sensor is unblocked. YES NO YES NO YES NO YES NO Check to see if Scanner Home Position Sensor is blocked as the Scanner is moved. If it is checked okay, change Master Board. Change Scanner Home Position Sensor. Change BCR Board. Change MFB Board. Change Master Board. Check to see if Scanner Home Position Sensor is blocked as the Scanner is moved. If it is checked okay, change Master Board. Change Scanner Home Position Sensor. Change BCR Board. Change MFB Board. Change Master Board. T-40

176 (5) C0990: LCC Lift-Up Motor failure to turn C099: Lift ascent motion failure C0995: LCC Transport Motor failure to turn C0999: Lift ascent motion failure C099D: LCC communication error LCC Lift-Up Motor EMOT Lift-Up Sensor LS Lift-Up Sensor LS LCC Transport Motor HMOT Relevant Electrical Parts Power Supply Unit PU LCC Control Board PWB-A Control Board PWB-A Master Board PWB-A PWB-A PU CN5 nd Drawer PWB-A PJA PJ3A PJA PJA 3rd Drawer PWB-A (PF-8/PF-9) PJA- PJA-4 PJA-6 PJA-7 PJA-8 PJA- HMOT PJ CNA- GND Fuse CNA-5 CNA-6 CNA-7 CN CNA-9 CNA-0 4th Drawer PWB-A (PF-7) CNA- CN4A-9 (LS ON) CN4A-8 (GND) CN4A-7 (DC5 V) CN4A-6 (LS ON) CN4A-5 (GND) CN4A-4 (DC5 V) CN6A-6 (HMOT CLK) CN6A-5 (DC5 V) CN6A-4 (HMOT SIG) CN6A-3 (GND) CN6A- (DC4 V) CN5A- (EMOT/CCW) CN5A- (EMOT/CW) PJ8PU-6 (DC4 V) CNA-5 PJ5 3 PJ6 3 LS LS CN7 EMOT 40T55CA T-4

177 C0990 Step Check Result Action The voltage across CNA-5 on LCC Control Board and GND is DC4 V. C099 C0995 YES Change LCC Lift-Up Motor. Change LCC Control Board. Change Control Board. Change Master Board. Fuse is conducting. YES Change Power Supply Unit. NO Change fuse. Step Check Result Action Lift-Up Sensor operation check through I/O YES Check step 3 and onward. check Lift-Up Sensor operation check: the voltage across CN4A-6 on LCC Control Board and GND is DC5 V when the sensor is blocked and DC0 V when the sensor is unblocked. 3 LCC Lift-Up Motor operation check: LCC Lift- Up Motor turns after the cassette has been slid into the copier. 4 LCC Lift-Up Motor operation check: the voltage across CN5A- on LCC Control Board and GND changes from DC0 V to DC4 V while step 3 is being performed. YES NO YES YES NO Change LCC Control Board. Change Control Board. Change Master Board. Check actuator. Change Lift-Up Sensor. Change Master Board. Change LCC Lift-Up Motor. Change LCC Control Board. Change Control Board. Change Master Board. Step Check Result Action The voltage across CNA-5 on LCC Control Board and GND is DC4 V. YES Change LCC Transport Motor. Change LCC Control Board. Change Control Board. Change Master Board. Fuse is conducting. YES Change Power Supply Unit. NO Change fuse. T-4

178 C0999 Step Check Result Action Lift-Up Sensor operation check through I/O YES Check step 3 and onward. check Lift-Up Sensor operation check: the voltage across CN4A-9 on LCC Control Board and GND is DC5 V when the sensor is blocked and DC0 V when the sensor is unblocked. 3 LCC Lift-Up Motor operation check: LCC Lift- Up Motor turns after the cassette has been slid into the copier. 4 LCC Lift-Up Motor operation check: the voltage across CN5A- on LCC Control Board and GND changes from DC0 V to DC4 V while step 3 is being performed. C099D YES NO YES YES NO Change LCC Control Board. Change Control Board. Change Master Board. Check actuator. Change Lift-Up Sensor. Change Master Board. Change LCC Lift-Up Motor. Change LCC Control Board. Change Control Board. Change Master Board. Step Check Result Action LCC Control Board and Master Board are connected properly. YES NO Change LCC Control Board. Change Control Board. Change Master Board. Correct connection. T-43

179 (6) C0F3: Faulty ATDC Sensor C0F33: ATDC adjustment failure ATDC Sensor UN Power Supply Unit PU Relevant Electrical Parts Master Board PWB-A UN PJ8 3 4 CN CN PWB-A PJ6A- (UN CONTROL) PJ6A- (DC4 V) PJ6A-3 (UN ON) PJ6A-4 (GND) 8 8 PJ7A- (DC5 V) PU PJ6PU-5 (DC5 V) 40T5AA C0F3,C0F33 Step Check Result Action ATDC Sensor and Master Board are connected NO Correct connection. properly. The voltage across PJ6PU-5 on Power Supply Unit and GND is DC5 V. YES NO Change I/C. Change Master Board. Change Power Supply Unit. T-44

180 (7) C0XX to C3XX These malfunctions are concerned with faulty symptoms as they mainly relate to software, hardware, and communications. Code Action C038. Check the connection between Master Board and MFB Board.. Reset the malfunction and turn OFF and ON the Power Switch. 3. Change MFB Board. Change Master Board. C300. Reset the malfunction and turn OFF and ON the Power Switch.. Check the connection between PH Assy and Master Board. 3. Change PH Assy. Change Master Board. C33A. Reset the malfunction and turn OFF and ON the Power Switch.. Check the connection between each of the following and Master Board. A. nd Drawer paper source unit B. 3rd Drawer paper source unit C. 4th Drawer paper source unit D. 5th Drawer paper source unit E. OT-0 F. JS-0 3. Disconnect the connection between the copier and A to F and then turn OFF and ON the Power Switch. If the malfunction code display persists, change Master Board. If the malfunction is no longer detected, connect the connectors sequentially and turn OFF and ON the Power Switch. When C33A is detected, check the connector of the corresponding paper source unit and, if it is intact, change the PWB-A of the unit. C33B. Reset the malfunction and turn OFF and ON the Power Switch.. Check the connection between Master Board (copier) and Control Board (Finisher). 3. Unplug the connector between Master Board and Control Board and turn OFF and ON the Power Switch. If the malfunction code display persists, change Master Board. If the malfunction is no longer detected, change Control Board. C3C0. Reinstall I/C, reset the malfunction, and turn OFF and ON the Power Switch.. Check the connection between I/C fuse and Master Board. 3. Change Master Board. C3D0. Reset the malfunction, turn OFF and ON the Power Switch, and unplug the power cord and plug it back in.. Check the connection between IC3 of Master Board and EEPROM. 3. Change Master Board. 4. Change EEPROM. For the precautions to be observed when changing the EEPROM, see DIS/ REASSEMBLY, ADJUSTMENT. C3F0. Reset the malfunction and turn OFF and ON the Power Switch.. Check the connection between PH Assy and Master Board. 3. Change PH Assy. Change Master Board. T-45

181 (8) The Copier Does not Turn ON. Power Switch S Power Supply Unit PU Panel Board PWB-F Inverter Board PU3 Relevant Electrical Parts Touch Panel UN MFB Board MFB Master Board PWB-A Touch Panel indicates nothing. Step Check Result Action Power supply voltage check: the voltage across PJPU- and -3 of Power Supply Unit changes from AC 0 V to the rated AC voltage when the Power Switch is turned ON. The voltage across PJ5S- on Power Switch and GND is DC0 V or more when Power Switch is turned ON. 3 DC4-V output check: the voltage across PJ8PU- on Power Supply Unit and GND changes from DC0 V to DC4 V when the Power Switch is turned ON. 4 DC5-V output check: the voltage across PJ6PU-6 on Power Supply Unit and GND changes from DC0 V to DC5 V when the Power Switch is turned ON. 5 DC4-V output check: Unplug CNF on Panel Board. The voltage across CNF- on cable end and GND, and the voltage across CNF- on cable end and GND, change from DC0 V to DC4 V when the Power Switch is turned ON. 6 DC5-V output check: Unplug CNF on Panel Board. The voltage across CNF-8 on cable end and GND, and the voltage across CNF-9 on cable end and GND, change from DC0 V to DC5 V when the Power Switch is turned ON. 7 DC4-V output check: the voltage across CN7F- on Panel Board and GND changes from DC0 V to DC4 V when the Power Switch is turned ON. 8 AC output check: there is an AC output across CNPU3- and 4 on Inverter Board when the Power Switch is turned ON. NO YES NO NO NO NO NO Check the power outlet voltage. Check the power cord for continuity. Check Power Switch. Change Master Board. Change Power Supply Unit. Change Power Supply Unit. Change MFB Board. Change MFB Board. Change Panel Board. YES Change Touch Panel. NO Change Inverter Board. T-46

182 5. IMAGE FAILURE 5-. Image Failure Troubleshooting If any image failure has occurred, first make the initial checks, then proceed to the corresponding image failure troubleshooting procedure. 5-. Initial Checks Determine if the failure is attributable to a basic cause or causes. Section Step Check Result Action Installation site PRECAUTIONS FOR INSTALLATION contained in GENERAL Determine if the failure is attributable to an input system (IR) or output system (engine) fault. NO Change the installation site. Paper Recommended paper is used. NO Instruct user. 3 Paper is damp. YES Change paper. Instruct user in paper storage. Original 4 Original not flat YES Correct. 5 Faint original YES Instruct user. 6 Highly transparent original YES Instruct user. (OHP transparencies, etc.) 7 Dirty or scratched Original Glass YES Clean or change. PM parts 8 PM parts relating to image formation have reached the end of cleaning/replacement cycles. Adjustment items 9 There are adjustment items that remedy the image failure when readjusted. YES YES Clean or change. (See Maintenance Schedule.) Readjust. Check Result Cause Make copies at different zoom ratios. Input system 77T04YA 77T03YA Output system 77T05YA T-47

183 5-3. Troubleshooting Procedures Classified by Image Failure () Blank Copy <Typical Faulty Images> 40T56AA Section Step Check Result Action Engine IR Developing Unit is driven properly. NO Correct or change drive coupling mechanism. Image transfer current contact terminal YES Clean or change. is dirty or deformed. 3 Developing bias contact terminal is YES Clean or change. dirty or deformed. 4 PH shutter (the one located on the laser beam path between PH Assy and PC Drum) opens and closes properly. NO Correct. 5 PC Drum protective shutter opens and closes properly. 6 Master Board and PH Assy are connected properly. CCD Board and MFB Board are connected properly. MFB Board and Master Board are connected properly. NO YES NO NO YES NO Correct. Change I/C. Change PH Assy. Change High Voltage Unit. Change Master Board. Correct. Correct. Change CCD Unit. Change MFB Board. Correct. T-48

184 () Black Copy <Typical Faulty Images> When engine is faulty. When IR is faulty. 40T57AA 40T537AA Section Step Check Result Action Engine IR Comb Electrode contact terminal is dirty or deformed. Grid voltage contact terminal is dirty or deformed. Exposure Lamp ON check: Select functions in the following order: Tech. Rep. Mode Movement Check Scanner; the Exposure Lamp turns ON when ON is selected for Lighting Exposure Lamp. The voltage across CN3BCR- on BCR Board and GND changes from DC4 V to DC0 V when step is performed again. 3 An AC voltage is output from Inverter Board to Exposure Lamp when step is performed again. 4 CCD Board and MFB Board are connected properly. 5 MFB Board and Master Board are connected properly. YES YES NO YES NO YES NO NO YES NO Clean or change. Clean or change. Change I/C. Change PH Assy. Change High Voltage Unit. Change Master Board. Check step 5 and onward. Change BCR Board. Change MFB Board. Change Exposure Lamp. Change Inverter Board. Correct. Change CCD Unit. Change MFB Board. Correct. T-49

185 (3) Low Image Density <Typical Faulty Images> 40T58AA Section Step Check Result Action Engine IR Image transfer current contact terminal is dirty or deformed. Developing bias contact terminal is dirty or deformed. 3 Select functions in the following order: Tech. Rep. Mode Tech. Rep. Choice Printer. The image problem is corrected when the Image Density value is changed toward the plus side. 4 Select functions in the following order: Tech. Rep. Mode Tech. Rep. Choice Printer. The image problem is corrected when the VG Adjust value is changed toward the plus side. YES Clean or change. YES Clean or change. YES YES NO Shading sheet is dirty. YES Clean. CCD Board and MFB Board are NO Correct. connected properly. 3 MFB Board and Master Board are connected properly. YES NO Make setting again. Make setting again. Change I/C. Change PH Assy. Change High Voltage Unit. Change Master Board. Change CCD Unit. Change MFB Board. Correct. T-50

186 (4) Foggy Background <Typical Faulty Images> When engine is faulty. When IR is faulty. 40T59AA 40T538AA Section Step Check Result Action Engine IR Sunlight or any other extraneous light enters the copier. YES Protect the copier from extraneous light. PC Drum is dirty. YES Clean. Comb Electrode contact terminal is YES Clean or change. dirty or deformed. 3 Grid voltage contact terminal is dirty or YES Clean or change. deformed. 4 Charge Neutralizing Sheet contact terminal YES Clean or change. is dirty or deformed. 5 Erase Lamp is dirty. YES Clean. 6 Erase Lamp is conducting. NO Change Erase Lamp. 7 Select functions in the following order: Tech. Rep. Mode Tech. Rep. Choice Printer. The image problem is corrected when the Image Density value is changed toward the minus side. YES Make setting again. 8 Select functions in the following order: Tech. Rep. Mode Tech. Rep. Choice Printer. The image problem is corrected when the VG Adjust value is changed toward the minus side. YES NO Make setting again. Change I/C. Change PH Assy. Change High Voltage Unit. Change Master Board. Mirror, lens, and/or Original Glass are YES Clean. dirty. Exposure Lamp is dirty or deteriorated. YES Clean or change. 3 CCD Board and MFB Board are connected properly. NO Correct. 4 MFB Board and Master Board are connected properly. YES NO Change CCD Unit. Change MFB Board. Correct. T-5

187 (5) Black Streaks or Bands <Typical Faulty Images> 40T50AA Section Step Check Result Action Engine IR Paper path is dirty with toner. YES Clean. PC Drum is dirty. YES Clean. 3 Fusing Rollers are dirty or scratchy. YES Clean or change. NO Change I/C. Change Master Board. Mirror, lens, and/or Original Glass are YES Clean. dirty. Exposure Lamp is dirty. YES Clean. 3 CCD Board and MFB Board are connected properly. NO Correct. 4 MFB Board and Master Board are connected properly. YES NO Change CCD Unit. Change MFB Board. Correct. T-5

188 (6) Black Spots <Typical Faulty Images> 40T5AA Section Step Check Result Action Engine IR Paper path is dirty with toner. YES Clean. PC Drum is dirty. YES Clean. 3 Fusing Rollers are dirty or scratchy. YES Clean or change. 4 Comb Electrode contact terminal is YES Clean or change. dirty or deformed. 5 Grid voltage contact terminal is dirty or YES Clean or change. deformed. 6 Charge Neutralizing Sheet contact terminal YES Clean or change. is dirty or deformed. 7 Erase Lamp is dirty. YES Clean. 8 Erase Lamp is conducting. YES Change I/C. Change High Voltage Unit. Change Master Board. NO Change Erase Lamp. Original Glass is dirty. YES Clean. CCD Board and MFB Board are NO Correct. connected properly. 3 MFB Board and Master Board are connected properly. YES NO Change CCD Unit. Change MFB Board. Correct. T-53

189 (7) Blank Streaks or Bands <Typical Faulty Images> 40T5AA Section Step Check Result Action Engine IR Image Transfer Roller is dented or YES Change. scratchy. PC Drum is dirty. YES Clean. 3 Fusing Rollers are dirty or scratchy. YES Clean or change. 4 PH Assy window glass is dirty. YES Clean. NO Change I/C. Change Master Board. Shading sheet is dirty. YES Clean. Mirror, lens, and/or Original Glass are YES Clean. dirty. 3 CCD Board and MFB Board are connected properly. NO Correct. 4 MFB Board and Master Board are connected properly. YES NO Change CCD Unit. Change MFB Board. Correct. T-54

190 (8) Void Areas <Typical Faulty Images> 40T53AA Section Step Check Result Action Engine IR PC Drum is dirty. YES Clean. Image Transfer Roller is dented or NO Change. scratchy. 3 Fusing Rollers are scratchy or deformed. YES NO Original Glass is dirty. YES Clean. CCD Board and MFB Board are NO Correct. connected properly. 3 MFB Board and Master Board are connected properly. YES NO Clean or change. Change I/C. Change Master Board. Change CCD Unit. Change MFB Board. Correct. T-55

191 (9) Smear on Back <Typical Faulty Images> 40T54AA Section Step Check Result Action Paper path is dirty with toner. YES Clean. Engine Image Transfer Roller is dirty. YES Clean. 3 Fusing Rollers are dirty. YES Clean. T-56

192 (0) Uneven Image Density <Typical Faulty Images> 40T55AA Section Step Check Result Action Engine IR Image Transfer Roller is dirty or deformed. YES NO Clean or change. Change I/C. Change Master Board. Mirror, lens, and/or Original Glass are YES Clean. dirty. Shading sheet is dirty. YES Clean. 3 Exposure Lamp is dirty or deteriorated. YES Clean or change. 4 CCD Board and MFB Board are connected properly. NO Correct. 5 MFB Board and Master Board are connected properly. YES NO Change CCD Unit. Change MFB Board. Correct. T-57

193 () Gradation Reproduction Failure <Typical Faulty Images> 40T56AA Section Step Check Result Action Engine IR Image Transfer Roller is dirty or deformed. YES NO Mirror, lens, and/or Original Glass are YES Clean. dirty. Shading sheet is dirty. YES Clean. 3 CCD Board and MFB Board are connected properly. NO Correct. 4 MFB Board and Master Board are connected properly. YES NO Clean or change. Change I/C. Change Master Board. Change CCD Unit. Change MFB Board. Correct. T-58

194 () Rough Image <Typical Faulty Images> 40T57AA Section Step Check Result Action Engine IR Image Transfer Roller is dirty or deformed. Image transfer current contact terminal is dirty or deformed. 3 Toner has caked or is contaminated with foreign matter in Toner Hopper. CCD Board and MFB Board are connected properly. MFB Board and Master Board are connected properly. YES YES YES NO NO YES NO Clean or change. Clean or change. Remove foreign matter. Change toner. Change I/C. Change High Voltage Unit. Change Master Board. Correct. Change CCD Unit. Change MFB Board. Correct. T-59

195 (3) Periodically Uneven Image <Typical Faulty Images> 40T58AA Section Step Check Result Action Engine IR Developing Unit is driven properly. NO Correct or change drive coupling mechanism. PC Drum and Image Transfer Roller are driven properly. NO Correct or change drive coupling mechanism. 3 Synchronizing Roller is driven properly. NO Correct or change drive coupling mechanism. 4 Fusing Unit is driven properly. NO Correct or change drive coupling mechanism. 5 PH Assy is installed properly. YES Change I/C. Change Master Board. NO Correct. Scanner Motor is driven properly. NO Correct or change drive coupling mechanism. Scanner Drive Cables are wound properly. NO Wind cables properly. 3 Scanner rails are damaged or dirty YES Clean or change. with foreign matter. 4 CCD Board and MFB Board are connected properly. NO Correct. 5 MFB Board and Master Board are connected properly. YES NO Change CCD Unit. Change MFB Board. Correct. T-60

196 6. ABORT CODES The copier displays an abort code on the Touch Panel as it becomes unable to process tasks properly through its software control. Abort Code 40T536AA 6-. List of Abort Codes When the system program is aborted, the copier attempts to restart it automatically. If it fails to restart the program, check the electrical component, unit, option, and connection relating to the specific type of the abort condition. Description Code Relevant Electrical Components, Units, and Options OS processing system failure Device control system failure Copy control system failure Operation system failure Network function Web processing system failure Conversion processing system failure Encoding processing system failure File control system failure G3 protocol processing system failure G3 device control system failure 0x to 0x000fffff 0x to 0x00fffff 0x to 0x00fffff 0x to 0x003fffff 0x to 0x004fffff 0x to 0x005fffff 0x to 0x006fffff 0x to 0x007fffff 0x to 0x008fffff 0x to 0x009fffff MFB Board MFB Board, FAX Board, NCUK Board, IIF Board, MPK Board, COD Board, FPLAN Board, CEN Board, expansion memory, OT-0, JS-0, FN-09, FN-0, FN-504, JS-00 MFB Board MFB Board, Touch Panel, Panel Board MFB Board, FPLAN Board, CEN Board MFB Board MFB Board, COD Board, MPK Board MFB Board, expansion memory MFB Board, FAX Board, NCUK Board, IIF Board, MPK Board MFB Board, FAX Board, NCUK Board, IIF Board, MPK Board T-6