Functional overview | HP 6L pro, 6L Gold manual

Figure 5-8General timing diagram - HP LaserJet 6L and HP LaserJet 6L ProSL

68 Functional overview

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HP 6L pro, 6L Gold manual Functional overview

Contents

Printer Page HP LaserJet 5L/6L/6L Gold/6L Pro Printer Warranty Trademark Credits Conventions Page Contents Printer maintenance Appendix a Parts index Appendix B Regulatory information Figures Page Tables Page Chapter contents Product information Printer Features Printer featuresPrinter Features Description Paper capacities and sizes HP LaserJet 6L Gold IdentificationModel and serial 2HP LaserJet 6L model and serial numbers 3HP LaserJet 6L Pro model and serial numbers Performance specifications Category Specification SpecificationsAcoustic emissions Product overview 4Front/side views of the printer 1415 6Back view of the printer Ordering parts Service approachParts Exchange Program Ordering related documentation Technical assistance HP Customer Care Customer Care options worldwide In-country/region support Open Monday through Friday HP worldwide sales and service offices Argentina Australia Austria India Indonesia Israel Russian Federation Singapore Spain Hardware service during the warranty period WarrantyHardware service after the warranty period HP LaserJet Toner Cartridge warranty Voltage conversions Product information Site requirements Site requirements Install in a well-ventilated, dust-free areaOperating environment Printer space requirements Storage conditions HP C3906A/F Toner CartridgeStoring opened toner cartridges Toner cartridge handling suggestions 2Toner cartridge distribution Site requirements Operating overview Control Panel layout Using the Control PanelIndicator lights Blinking Using the Control Panel Control Panel Button Control Panel Button usage Function Lights Action Result Printing a self-test 1Self-test page for HP LaserJet 5L 2Self-test page for HP LaserJet 6L 3Self-test page for HP LaserJet 6L Pro Printing an engine test Continuous self test Resetting the printer To reset the printer Operating overview Printer maintenance Life expectancy of consumables Pressure Roller Toner cartridge life Saving toner with EconoMode Refilled toner cartridges Recycling toner cartridges Cleaning printer components Cleaning the printerCleaning printer components Component Cleaning Method/Notes Cleaning spilled toner Functional overview 1Printer functional block diagram Basic printer functions DC Controller/power system 2DC Controller loads Power system on DC Controller PCA Print engine control system Overcurrent/overvoltage protection DC power distributionHigh voltage power distribution SleepMode Read only memory ROM Random access memory RAMFormatter system Parallel interface Memory Enhancement technology MEt Resolution Enhancement technology REtEconoMode Enhanced I/O Protect PJL overview Image formation system Toner cartridge Drum conditioning Drum cleaningImage fusing Image writing Paper feed system 5Simplified paper path Solenoid and sensors Number Name Description SL1 Paper jam detection Basic sequence of operation Printer timing Period Timing Purpose 7General timing diagram HP LaserJet 5L Functional overview Removal and replacement Removal and replacement strategy Required tools 1Phillips and PosiDriv screwdrivers Installing memory cards Dram Push it firmly into the printer Covers and doors Back Cover To reinstall 3Back Cover removal 2 EP Door Assembly 4EP Door Assembly removal Memory Door 5Memory Door removal Main Cover and Paper Input Assembly Procedure for HP LaserJet 6L Pro Procedure for HP LaserJet 5L and 6LInternal assemblies Exit Roller Assembly 8Exit Roller removal Delivery Assembly 9Delivery Assembly removal 1 10Delivery Assembly removal 2 Fuser Pressure Plate 11Fuser Pressure Plate removal 12Fuser Pressure Plate replacement Heating Element 13Heating Element removal 1 14Heating Element removal 2 15Heating Element removal 3 Pressure Roller Pressure Roller Guide removal Face-Up/Face-Down Lever replacement Face-Up/Face-Down Lever Fuser Exit Roller Assembly 18Fuser Exit Roller removal 19Paper Exit Sensor Flag replacement Paper Exit Sensor Flag Laser/Scanner Assembly Top assemblies Solenoid 21Solenoid removal 1 22Solenoid removal 2 Pickup Roller Assembly 23Pickup Roller Assembly removal 1 24Pickup Roller Assembly removal 2 25Paper Pickup Roller Assembly replacement inside/front view Paper Feed Frame 26Paper Feed Frame removal 1 27Paper Feed Frame removal 2 28Paper Feed Frame removal 3 29Paper Feed Frame removal 4 Transfer Roller Guide and Transfer Roller Kick Plate 31Kick Plate removal 32Kick Plate Spring replacement Separation Pad 33Separation Pad removal Place your index finger on the subpad SubpadsPress toward the top of the printer Feed Assembly 35Feed Assembly removal 1 36Feed Assembly removal 2 37Feed Assembly removal 3 Bottom assemblies Memory Door Guide Motor 39Motor removal DC Controller 40DC Controller removal 1 41DC Controller removal 2 42DC Controller removal 3 Formatter PCA Formatter Board removal Troubleshooting General troubleshooting flowchart On following General Troubleshooting Flowchart Paper path and components 1Paper path and components DC Controller diagram 2DC Controller PCA components Printer error troubleshooting Priority of errors Printer status messages Paper Jam Unclearable error Sleep Mode Service and error messages Service and error messages PCA Service and error messages 3of Scanner Error. Caused by a Image formation troubleshooting Check the toner cartridge Staining Image defect examplesFaded print Vertical lines Vertical white stripes Horizontal stripesRepetitive defects Character voids Dropouts Background scatterBlack Half of the page Is blank or loss of detail Blank page occasional Curled or wrinkled sheetsBlank pages all pages Dirt on the back Dark backgroundDots Blank spots White horizontal line Faulty registration/skewed imageDistorted image or BD failure Engine Test Button location Troubleshooting checksEngine test Printing an engine test Half self-test functional check Drum rotation functional check High-voltage power supply check High-voltage power supply check Check Action 6Toner cartridge high-voltage connection points 2 Paper curl Paper surface Paper path check Troubleshooting toolsTo override PS204 and SW101 Repetitive image defect ruler 8Repetitive image defect ruler Main wiring diagram 9Main wiring diagram Cable pinouts Connector Signal name Remarks Troubleshooting Parts and diagrams How to use the part lists and diagrams Ordering consumables Accessories and supplies Accessories and supplies Product number Description Common hardware Common fasteners used in the printer Example Description Parts diagrams 1Major assembly locations 2Covers and doors Parts diagrams 3Internal components 1 Parts diagrams 4Internal components 2 502 XB1-1300-807CN Screw, PH, M3x8 See Parts diagrams DC Controller/formatter and cables Parts diagrams 7Pickup Roller assembly Parts diagrams Feed assembly Parts diagrams 9Separation Guide assembly Parts diagrams 10Delivery assembly Parts diagrams Parts and diagrams Table A-1 Alphabetical parts list Description Alphabetical parts listParts index Parts index Table A-1 Alphabetical parts list Description Table A-1 Alphabetical parts list Description Table A-1 Alphabetical parts list Description Numerical parts list Table A-2 Numerical parts list Description Numerical parts list Table A-2 Numerical parts list Description Table A-2 Numerical parts list Description Table A-2 Numerical parts list Description Laser Safety U.S Regulatory information Varoitus Laser Statement FinlandLaserturvallisuus Luckan 1 Laserlaite Klass 1 Laser Apparat Varning Material data safety sheet Toner safetyOzone emission FCC Statement Class B Vcci Statement Japan Index 181 182 183 ROM/RAM 184 Jedia 185 186 PCL 187 188 189 Wait 190 Page C8060-90903