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HP 6L manual LaserJet 5LPart No

Models: 5L 6L

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Table 8-5	Internal Components (2 of 3)

	Ref	LaserJet 5LPart No.	LaserJet 6LPart No.	Qty	Description

	1	RB1-7109-000CN	RB1-7109-000CN	1	Memory Door Guide

	2	RB1-7247-000CN	RB1-7247-000CN	1	Fuser Paper Guide

	3	RB1-7344-000CN	RB1-7344-000CN	1	AC Cable Cover

	4	RF5-1509-000CN	RF5-1509-000CN	1	Back Sheet Metal

	5	RB1-7343-000CN	RB1-7343-000CN	1	Control Panel Cable Guide

	6	RB1-7130-000CN	RB1-7130-000CN	1	Fuser Cable Guide

	7	RB1-7234-000CN	RB1-7234-000CN	1	Cap

	8	RB1-7302-000CN	RB1-7302-000CN	1	Cap

	9	XA9-0724-000CN	XA9-0724-000CN	6	Screw, RS, M3x8

	10	XA9-0855-000CN	XA9-0855-000CN	2	Screw, RS, M3x8 (with star
					washer)

	11	RB1-7176-000CN	RB1-7176-000CN	1	Mylar Guide

	12	RB1-7305-000CN	RB1-7305-000CN	1	I/O Sheet Metal

	501	XB4-7401-007CN	XB4-7401-007CN	3	Screw, Tapping, Panhead,
					M4x10

	502	XB1-1300-807CN	XB1-1300-807CN	2	Screw, PH, M3x8

8 Parts and Diagrams

Parts and Diagrams 8-13

Image 166

HP 6L manual LaserJet 5LPart No

Contents

Page HP LaserJet 5L HP LaserJet 6L C3941A C3990A Warranty Conventions Here are required statements regarding RFI and laser safety Chapter DescriptionsList of Figures Figure B-1 Vcci Statement Japan List of Tables Viii Contents Product InformationProduct Information Features Descriptions Printer FeaturesPrinter Features Paper Capacities and SizesModel and Serial IdentificationHP LaserJet 5L Model and Serial Numbers HP LaserJet 6L Model and Serial Numbers Electrical Specifications SpecificationsPerformance Specifications Acoustic EmissionsProduct Overview Front/Side Views of the PrinterFront Door Assemblies Back View of the Printer Ordering Parts Service ApproachParts Exchange Program Ordering ConsumablesRelated Documentation DescriptionOnline Services for Technical AssistanceWorldwide Support North American Response CenterWarranty Warranty ExclusionsProducts sold within one country to another country Warranty LimitationsVoltage Conversions Regulatory requirementsProduct Information Site Requirements Site Requirements Operating Environment Consider the following points before installing the printerSite Requirements Environmental RequirementsDescription Dimension Printer Space Requirements Printer DimensionsPrinter Space Requirements Storage Conditions HP C3906A/F Toner CartridgeStoring Opened Toner Cartridges Toner Cartridge Handling Suggestions Toner Cartridge DistributionOperating Overview Operating Overview Using the Control Panel Control Panel LayoutLED Lights Indicator Lights 1When this Indicator It means this Do thisIndicator Lights 2 Hardware Error There is anFront Panel Button Usage Front Panel ButtonFunction Lights Action Result Printing a Self-Test Self-test Page for HP LaserJet 5LTo print a self-test Self-test Page for HP LaserJet 6LContinuous Self Test Printer’s rated speedPrinting an Engine Test Useful for checking and adjusting registrationRefer to Engine Test in for the engine test procedure Engine Test ButtonResetting the Printer To Reset the PrinterOperating Overview Printer Maintenance Printer Maintenance Life Expectancy of Consumables Life Expectancy of ConsumablesToner cartridge box Toner Cartridge LifeSaving Toner with EconoMode Five Percent Text CoverageRecycling Toner Cartridges Some software applications may refer to this as draft modeRefilled Toner Cartridges InformationCleaning the Printer Contaminants on the roller can cause print quality problems Cleaning Printer ComponentsCleaning Printer Components Cleaning Spilled Toner Stains into fabricFunctional Overview Functional Overview Printer Functional Block Diagram Basic Printer FunctionsDC Controller/Power System DC Controller LoadsPrint Engine Control System Laser and Scanner DrivePower System on DC Controller PCA T e Functional Overview Resolution Enhancement REt Control PanelEconoMode EconoMode vs Normal ModeMemory Enhancement technology MEt Functional Overview 5 Image Formation Block Diagram Image Formation SystemDrum Conditioning Drum CleaningToner Cartridge Image WritingImage Developing Image FusingImage Transferring Paper Feed System Simplified Paper Path Solenoid and Sensors Solenoid and Photosensors Name DescriptionPaper Jam Detection Printer Timing Refer to Timing Diagram on the nextBasic Sequence of Operation Period Timing PurposeGeneral Timing Diagram HP LaserJet 5L General Timing Diagram HP LaserJet 6L Functional Overview Removal and Replacement Removal and Replacement Removal and Replacement Strategy Removal and Replacement Installing Memory Cards Dram MByte card MByte totalBack Cover Ease of replacementCovers and Doors Remove the 3 screws -2, calloutMake certain the Input Extender is up Back Cover Removal 2EP Door Assembly EP Door Assembly RemovalMemory Door Memory Door RemovalRemove the toner cartridge Remove memory door Main Cover and Paper Input AssemblyMain Cover and Paper Input Assembly Removal Without removing the memory doorInternal Assemblies Control Panel RemovalExit Roller Assembly Exit Roller RemovalDelivery Assembly Delivery Assembly Removal 1Delivery Assembly Removal 2 Fuser Pressure Plate Fuser Pressure Plate RemovalFuser Pressure Plate Replacement Heating Element Heating Element Removal 1Heating Element Removal 2 Lift the Heating Element out Make sure the connectors are properly reattachedHeating Element Removal 3 On the right side of the shaft. Refer to for a part number Pressure RollerPressure Roller Guide Removal Unchanged. -17 shows the lever from an HP LaserJet 5L Face-Up/Face-Down Lever ReplacementFace-Up/Face-Down Lever Release mechanismShows the white tab from an HP LaserJet 5L Fuser Exit Roller AssemblyFuser Exit Roller Removal Paper Exit Sensor Flag Replacement Reinstalled to exactly this positionPaper Exit Sensor Flag Laser/Scanner Assembly Removal Laser/Scanner AssemblyTop Assemblies Solenoid Solenoid Removal 1Only one way Solenoid Removal 2Pickup Roller Assembly Pickup Roller Assembly Removal 1Pickup Roller Assembly Removal 2 Assembly Figure Paper Pickup Roller Assembly Replacement Inside/Front ViewPaper Feed Frame Paper Feed Frame Removal 1Paper Feed Frame Removal 2 Paper Feed Frame Removal 3 Release the sensor unit connector Figure Paper Feed Frame Removal 4Transfer Roller Guide & Transfer Roller Kick Plate Kick Plate RemovalKick Plate Spring Replacement Separation Pad Separation Pad RemovalPlace your index finger on the subpad SubpadsAt the same time Press toward the top of the printerFeed Assembly Feed Assembly Removal 1Remove the Feed Assembly Feed Assembly Removal 2Feed Assembly Removal 3 Memory Door Guide Bottom AssembliesMemory Door Guide Removal Motor Motor RemovalDC Controller DC Controller Removal 1ESD Sensitive DC Controller Removal 2DC Controller Removal 3 Correct pieces should you need to replace them Formatter PCAFormatter Board Removal Removal and Replacement Troubleshooting Troubleshooting General Troubleshooting Flowchart StartExit Paper Path and Components Paper Path and ComponentsDC Controller Diagram ∙ Status Messages ∙ Service and Error Messages Printer Error TroubleshootingPriority of Errors PersistsPrinter Status Messages 1 Printer Status MessagesLEDs Description Recommended Action Unclearable Error Happens, troubleshoot using -3 belowPrinter Status Messages 2 Service and Error Messages Service and Error Messages 1Beam Error. There are a number of causes Service and Error Messages 3 Formatter ErrorCheck the Toner Cartridge Image Formation TroubleshootingOz grams Image Defect Examples ∙ Replace the DC ControllerVertical Lines Character Voids ∙ Your paper may not meet the requirements for the printerDropouts ∙ Replace the DC Controller Troubleshooting Is completely blank. If you get occasional blank pagesWhite Horizontal Line Distorted Image or BD Failure Engine Test Troubleshooting ChecksEngine Test Troubleshooting Drum Rotation Functional Check Toner Cartridge High Voltage Connection Points 1 High-Voltage Power Supply CheckHigh-Voltage Power Supply Check Checks ActionToner Cartridge High Voltage Connection Points 2 Paper Curl Paper Curl TroubleshootingPossible Cause Recommended Action Remove the Printer Covers Figures 6-2, 6-3, Troubleshooting ToolsPaper Path Check Overriding PS204 and SW101Repetitive Image Defect Ruler Repetitive Image Defect RulerMain Wiring Diagram TroubleshootingConnector Signal Name Remarks Cable PinoutsFrsth Troubleshooting Parts and Diagrams Parts and Diagrams How to Use the Part Lists and Diagrams Parts and cannot be ordered through SMO Accessories and Supplies Accessories and SuppliesProduct Number Description Common Hardware Example DescriptionMajor Assembly Locations Covers and Doors Qty Description Internal Components 1 LaserJet 5L Part No Internal Components 2 LaserJet 5LPart No Internal Components 3 Parts and Diagrams DC Controller/Formatter and Cables DC Controller Case Pickup Roller Assembly Parts and Diagrams Feed Assembly Parts and Diagrams Separation Guide Assembly Parts and Diagrams Delivery Assembly Parts and Diagrams Parts and Diagrams Parts Index Parts Index A-1Parts Index Alphabetical Parts ListParts Index Parts Index A-3 IndexParts Index Parts Index A-5 501/502 Parts Index A-7 Numerical Parts IndexNumerical Parts List Parts Index A-9 Parts Index Parts Index A-11 Parts Index Laser Safety U.S.A Regulatory InformationLaser Statement Finland Regulatory InformationOzone Emission Toner SafetyRegulatory Information B-3 FCC Statement Class B Figure B-1Fuser Accordian Jams Service Notes C-1C3941A-01 Service Notes SolutionFuser Jam Clearing Countermeasure Service Notes C-3C3941A-02A Service Notes Index Index-1Index-2 Safety Index-3Index-4 C3990-90991