service hp LaserJet 2400 series

Transcription

1 service hp LaserJet 2400 series

2 Table of contents 1 Product Information Chapter contents...1 Printer configurations...2 HP LaserJet 2400 Series printer base models...2 Features...4 Specifications...8 Physical specifications...8 Electrical specifications...9 Acoustic emissions...10 Operating environment...10 Media specifications...11 Supported types and sizes of print media...11 Paper and print media...12 Printing and paper storage environment...13 Envelopes...14 Envelopes with double side seams...14 Envelopes with adhesive strips or flaps...14 Envelope margins...15 Envelope storage...15 Labels...15 Transparencies...15 Hewlett-Packard limited warranty statement...16 Print Cartridge Limited Warranty Statement...17 HP LaserJet printing supplies...18 Declaration of conformity...19 Country-/region-specific safety statements...20 Laser safety statement...20 Canadian DOC statement...20 Japanese VCCI statement...20 Korean EMI statement...20 Finnish laser statement Installation Chapter contents...23 Operating environment...24 Interface ports...24 Software...25 Operating systems and printer components...25 Printer drivers...26 Software for Macintosh computers Operation Chapter contents...29 Control panel...31 ENWW iii

3 Control-panel layout...31 Control-panel buttons...32 Control-panel lights...33 Control-panel language...34 Printing control-panel menus...34 Selecting which tray is used for printing...35 Understanding tray order...35 Customizing tray 1 operation...36 Printing by type and size of media (locking trays)...37 Feeding media from tray 1 manually...38 Selecting the correct fuser mode...39 Using the embedded Web server...40 Opening the embedded Web server...40 Information tab...41 Settings tab...41 Networking tab...42 Other links...42 Using HP Web Jetadmin software...43 Using the HP Toolbox...44 Supported operating systems...44 Supported browsers...44 To view the HP Toolbox...45 Status tab...45 Troubleshooting tab...46 Alerts tab...46 Documentation tab...47 Device Settings window...47 Toolbox links...47 Other links...47 Uninstalling the HP Toolbox...48 To uninstall the HP Toolbox by using the Windows desktop shortcut...48 Checking the printer configuration...48 Menu map...48 Configuration page...49 Supplies status page...51 PS or PCL font list...52 Managing the print cartridge...53 HP print cartridges...53 Non-HP print cartridges...53 Print-cartridge authentication...53 Print-cartridge storage...53 Print-cartridge life expectancy...54 Checking the supply level...54 Cartridge-low and cartridge-out conditions Maintenance Chapter contents...57 Cleaning the printer...58 Cleaning the outside...58 Cleaning the paper path and print-cartridge areas...58 Cleaning the fuser Theory of operation Chapter contents...61 Introduction...62 iv ENWW

4 Internal components...63 Timing...64 Engine control system...66 Laser/scanner system...68 Pickup/feed/delivery system...69 Image-formation system...71 Step 1: Primary charging...72 Step 2: Laser beam exposure...72 Step 3: Developing...73 Step 4: Transfer...73 Step 5: Separation...74 Step 6: Fusing...74 Step 7: Drum cleaning...75 Print cartridge memory system Removal and replacement Chapter contents...77 Introduction...78 Removal and replacement strategy...78 Electrostatic discharge...78 User-replaceable parts...78 Required tools...78 Before performing service...79 Pre-service procedures...79 Parts removal order...80 Covers...81 Right-side cover...81 Back cover...82 I/O cover...85 Left-side cover...86 Top, right cover...88 Top cover...89 Front, right cover...90 Control panel...92 Formatter...94 Fuser...98 Laser/scanner Right-side handle ECU Access plate Power supply Gear assembly Tray 1 solenoid Tray 2 solenoid E-label reader (memory tag) Face-down-roller shaft Cartridge door Transfer roller Registration assembly Tray 1 pickup roller Tray 2 pickup roller Separation pad Troubleshooting Chapter contents ENWW

5 Troubleshooting tree Troubleshooting flowchart Does the control-panel display show READY? Can you print a configuration page? Can you print from a program? Does the job print as expected? Does the printer select the correct trays? Troubleshooting tools Information pages Embedded Web server Gaining access to the embedded Web server Printer Status and Alerts software Control-panel menus Using control-panel menus Resets submenu Diagnostics menu Service menu (service PIN codes) Printer resets and power-on modes Cold reset NVRAM initialization Hard-disk initialization Power-on bypass Save + Restore Test pages Engine-test page Formatter test page Interface troubleshooting Communications checks EIO troubleshooting Solving general printing problems Clearing jams Avoiding jams Typical jam locations Media handling problems Multiple pages feed Pages are wrinkled or folded Pages are skewed Understanding printer messages Using the printer online Help system Resolving persistent messages Correcting print-quality problems Print-quality checklist Image-defect examples Light print (partial page) Light print (entire page) Specks Dropouts Lines Gray background Toner smear Loose toner Repeating defects Repeating image Misformed characters Page skew Curl or wave vi ENWW

6 Wrinkles or creases Vertical white lines Tire tracks White spots on black Scattered lines Blurred print Random image repetition Troubleshooting common Windows problems Troubleshooting common Macintosh problems Troubleshooting common PostScript problems General problems Specific errors Printer component locations Main assemblies Main parts Sensors and switches Motors, fans, and solenoids PCAs Sheet paper feeder Wiring diagrams General timing diagrams Parts and diagrams Chapter contents Ordering parts and supplies Parts Related documentation and software Supplies Accessories Covers Internal components Tray 2 pickup assembly Alphabetical parts list Numerical parts list Index ENWW vii

7 7 Troubleshooting Chapter contents Chapter contents Troubleshooting tree Troubleshooting flowchart Does the control-panel display show READY? Can you print a configuration page? Can you print from a program? Does the job print as expected? Does the printer select the correct trays? Troubleshooting tools Information pages Embedded Web server Gaining access to the embedded Web server Printer Status and Alerts software Control-panel menus Using control-panel menus Resets submenu Diagnostics menu Service menu (service PIN codes) Printer resets and power-on modes Cold reset NVRAM initialization Hard-disk initialization Power-on bypass Save + Restore Test pages Engine-test page Formatter test page Interface troubleshooting Communications checks EIO troubleshooting Solving general printing problems Clearing jams Avoiding jams Typical jam locations Media handling problems Multiple pages feed Pages are wrinkled or folded Pages are skewed Understanding printer messages Using the printer online Help system Resolving persistent messages ENWW Chapter contents 141

8 Correcting print-quality problems Print-quality checklist Image-defect examples Light print (partial page) Light print (entire page) Specks Dropouts Lines Gray background Toner smear Loose toner Repeating defects Repeating image Misformed characters Page skew Curl or wave Wrinkles or creases Vertical white lines Tire tracks White spots on black Scattered lines Blurred print Random image repetition Troubleshooting common Windows problems Troubleshooting common Macintosh problems Troubleshooting common PostScript problems General problems Specific errors Printer component locations Main assemblies Main parts Sensors and switches Motors, fans, and solenoids PCAs Sheet paper feeder Wiring diagrams General timing diagrams Chapter 7 Troubleshooting ENWW

9 Troubleshooting tree Figure 7-1. Basic troubleshooting is a graphical representation of the troubleshooting process. Figure 7-1. Basic troubleshooting ENWW T bl h ti t 143

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