General Troubleshooting Flowchart | HP 6L Gold, 6L pro guide

Perform an

Engine Test

Is the

Engine Test image being printed clearly?

Yes

Perform a Control

Panel Self-Test

Is the

Self-Test

image being

printed clearly?

Yes

EXIT

No

No

General Troubleshooting Flowchart (continued)

Refer to the section “Image Formation Troubleshooting,” later in this chapter.

If the engine test produces a clear print image, yet a Self-Test is not generated by initiating the Control Panel self-test procedure, replace the Formatter PCA.

EN	General troubleshooting flowchart 117

Image 119

HP 6L Gold, 6L pro manual General Troubleshooting Flowchart

Contents

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