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HP 6L pro, 6L Gold manual Functional overview

Models: 6L Gold 6L pro

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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 CreditsConventions Page Contents Printer maintenance Appendix a Parts index Appendix B Regulatory information Figures Page Tables Page Chapter contents Product informationPrinter Features Printer featuresPrinter Features Description Paper capacities and sizesHP 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 printer1415 6Back view of the printer Ordering parts Service approachParts Exchange Program Ordering related documentationTechnical assistance HP Customer CareCustomer Care options worldwide In-country/region support Open Monday through FridayHP worldwide sales and service offices Argentina Australia AustriaIndia Indonesia Israel Russian Federation Singapore Spain Hardware service during the warranty period WarrantyHardware service after the warranty period HP LaserJet Toner Cartridge warranty Voltage conversionsProduct 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 distributionSite requirements Operating overview Control Panel layout Using the Control PanelIndicator lights BlinkingUsing the Control Panel Control Panel Button Control Panel Button usage Function Lights Action ResultPrinting a self-test 1Self-test page for HP LaserJet 5L2Self-test page for HP LaserJet 6L 3Self-test page for HP LaserJet 6L Pro Printing an engine test Continuous self testResetting the printer To reset the printerOperating overview Printer maintenance Life expectancy of consumables Pressure RollerToner cartridge life Saving toner with EconoModeRefilled toner cartridges Recycling toner cartridgesCleaning printer components Cleaning the printerCleaning printer components Component Cleaning Method/Notes Cleaning spilled toner Functional overview 1Printer functional block diagram Basic printer functionsDC Controller/power system 2DC Controller loadsPower system on DC Controller PCA Print engine control systemOvercurrent/overvoltage protection DC power distributionHigh voltage power distribution SleepModeRead only memory ROM Random access memory RAMFormatter system Parallel interfaceMemory Enhancement technology MEt Resolution Enhancement technology REtEconoMode Enhanced I/OProtect PJL overviewImage formation system Toner cartridgeDrum conditioning Drum cleaningImage fusing Image writingPaper feed system 5Simplified paper pathSolenoid and sensors Number Name Description SL1Paper jam detection Basic sequence of operation Printer timing Period Timing Purpose7General timing diagram HP LaserJet 5L Functional overview Removal and replacement Removal and replacement strategy Required tools 1Phillips and PosiDriv screwdriversInstalling memory cards Dram Push it firmly into the printerCovers and doors Back CoverTo reinstall 3Back Cover removal 2EP Door Assembly 4EP Door Assembly removalMemory Door 5Memory Door removalMain Cover and Paper Input Assembly Procedure for HP LaserJet 6L Pro Procedure for HP LaserJet 5L and 6LInternal assemblies Exit Roller Assembly 8Exit Roller removalDelivery Assembly 9Delivery Assembly removal 110Delivery Assembly removal 2 Fuser Pressure Plate 11Fuser Pressure Plate removal12Fuser Pressure Plate replacement Heating Element 13Heating Element removal 114Heating Element removal 2 15Heating Element removal 3 Pressure Roller Pressure Roller Guide removalFace-Up/Face-Down Lever replacement Face-Up/Face-Down LeverFuser Exit Roller Assembly 18Fuser Exit Roller removal19Paper Exit Sensor Flag replacement Paper Exit Sensor FlagLaser/Scanner Assembly Top assembliesSolenoid 21Solenoid removal 122Solenoid removal 2 Pickup Roller Assembly 23Pickup Roller Assembly removal 124Pickup Roller Assembly removal 2 25Paper Pickup Roller Assembly replacement inside/front view Paper Feed Frame 26Paper Feed Frame removal 127Paper Feed Frame removal 2 28Paper Feed Frame removal 3 29Paper Feed Frame removal 4 Transfer Roller Guide and Transfer Roller Kick Plate 31Kick Plate removal32Kick Plate Spring replacement Separation Pad 33Separation Pad removalPlace your index finger on the subpad SubpadsPress toward the top of the printer Feed Assembly 35Feed Assembly removal 136Feed Assembly removal 2 37Feed Assembly removal 3 Bottom assemblies Memory Door GuideMotor 39Motor removalDC Controller 40DC Controller removal 141DC Controller removal 2 42DC Controller removal 3 Formatter PCA Formatter Board removalTroubleshooting General troubleshooting flowchart On followingGeneral Troubleshooting Flowchart Paper path and components 1Paper path and componentsDC Controller diagram 2DC Controller PCA componentsPrinter error troubleshooting Priority of errorsPrinter status messages Paper JamUnclearable error Sleep ModeService and error messages Service and error messagesPCA Service and error messages 3of Scanner Error. Caused by aImage formation troubleshooting Check the toner cartridgeStaining Image defect examplesFaded print Vertical linesVertical white stripes Horizontal stripesRepetitive defects Character voidsDropouts Background scatterBlack Half of the page Is blank or loss of detailBlank page occasional Curled or wrinkled sheetsBlank pages all pages Dirt on the back Dark backgroundDots Blank spotsWhite horizontal line Faulty registration/skewed imageDistorted image or BD failure Engine Test Button location Troubleshooting checksEngine test Printing an engine testHalf self-test functional check Drum rotation functional checkHigh-voltage power supply check High-voltage power supply check Check Action6Toner cartridge high-voltage connection points 2 Paper curl Paper surfacePaper path check Troubleshooting toolsTo override PS204 and SW101 Repetitive image defect ruler 8Repetitive image defect rulerMain wiring diagram 9Main wiring diagramCable pinouts Connector Signal name Remarks Troubleshooting Parts and diagrams How to use the part lists and diagrams Ordering consumablesAccessories and supplies Accessories and supplies Product number DescriptionCommon hardware Common fasteners used in the printer Example DescriptionParts diagrams 1Major assembly locations2Covers 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 DescriptionNumerical 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 informationVaroitus Laser Statement FinlandLaserturvallisuus Luckan 1 Laserlaite Klass 1 Laser Apparat VarningMaterial data safety sheet Toner safetyOzone emission FCC Statement Class B Vcci Statement JapanIndex 181182 183 ROM/RAM184 Jedia185 186 PCL187 188 189 Wait190 Page C8060-90903