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HP 5L (C3941A) manual Repetitive Image Defect Ruler

Models: 5L (C3941A)

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Repetitive Image Defect Ruler

Figure 7-8

Repetitive Image Defect Ruler

7-28 Troubleshooting

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HP 5L (C3941A) manual Repetitive Image Defect Ruler

Contents

HP LaserJet 5L C3941A Warranty Conventions Chapter Descriptions Product InformationList of Figures Figure B-1 Vcci Statement Japan List of Tables Viii Contents Product InformationProduct Information Printer Features Printer FeaturesPaper Capacities and Sizes Paper Capacities and SizesModel and Serial IdentificationHP LaserJet 5L Model and Serial Numbers Specifications Performance SpecificationsElectrical Specifications Category SpecificationProduct Overview Front/Side Views of the PrinterFront Door Assemblies Back View of the Printer Service Approach Parts Exchange ProgramOrdering Parts Ordering ConsumablesRelated Documentation DescriptionTechnical Assistance HP CompuServe ForumCustomer Support Center Assist Line Customer Information Centers North America OnlyNorth American Response Center Warranty Warranty ExclusionsWarranty Limitations Voltage ConversionsSite Requirements Site Requirements Site Requirements Operating EnvironmentEnvironmental Requirements Operating StorageDescription Dimension Printer Space Requirements Printer DimensionsPrinter Space Requirements Storage Conditions HP C3906A Toner CartridgeStoring Opened Toner Cartridges Toner Cartridge Handling Suggestions Toner Cartridge DistributionInstallation and Configuration Installation and Configuration Unpacking and Installation Check package contentsChoose the best location Unpack the printerInstall the toner cartridge Attach the power cordInstall printing software Load paperHost-Based Printer Driver Minimum System RequirementsHost-Based Printer Settings Host-Based Printer Settings OptionsPCL Printer Driver Host-Based Printing StatusPCL Printer Settings PCL Printer Settings OptionsUsing Host-Based and PCL Drivers Together PCL Printing StatusUsing the Control Panel Control Panel LayoutIndicator Lights 1 When this IndicatorLED Lights It means this Do thisIndicator Lights 2 Hardware Error There is anFront Panel Button Usage Front Panel ButtonFunction Action Lights Result Printing a Self-Test Self-testContinuous Self Test Printing an Engine Test Engine Test ButtonResetting the Printer To Reset the PrinterInstallation and Configuration Printer Maintenance Printer Maintenance Life Expectancy of Consumables Life Expectancy of ConsumablesDescription Est Life Remarks Pgs Saving Toner with EconoMode Toner Cartridge LifeFive Percent Text Coverage Refilled Toner Cartridges Recycling Toner CartridgesCleaning the Printer Cleaning Printer Components Cleaning Printer ComponentsCleaning Spilled Toner Functional 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 AC Power DistributionHigh Voltage Power Distribution Random Access Memory RAM Formatter SystemRead Only Memory ROM Parallel InterfaceResolution Enhancement REt Control PanelEconoMode EconoMode vs Normal ModeMemory Enhancement technology MEt Protect Enhanced I/OPJL Overview Image Formation Block Diagram Image Formation SystemDrum Cleaning Toner CartridgeDrum Conditioning Image WritingImage Developing Image FusingImage Transferring Paper Feed System Simplified Paper Path Solenoid and Sensors Solenoid and Photosensors Name DescriptionPaper Jam Detection Refer to Timing Diagram on the next Basic Sequence of OperationPrinter Timing Period Timing PurposeGeneral Timing Diagram Removal and Replacement Removal and Replacement Removal and Replacement Strategy Required Tools Phillips and Posidriv screwdriversInstalling Memory Cards Dram Back Cover Covers and DoorsBack Cover Removal 1 Back Cover Removal 2 EP Door Assembly EP Door Assembly RemovalMemory Door Memory Door RemovalMain Cover and Paper Input Assembly Main Cover and Paper Input Assembly RemovalInternal 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 Heating Element Removal 3 Pressure Roller Pressure Roller RemovalFace-Up/Face-Down Lever Replacement Face-Up/Face-Down LeverFuser Exit Roller Assembly Fuser Exit Roller RemovalPaper Exit Sensor Flag Replacement Paper Exit Sensor FlagLaser/Scanner Assembly Removal Laser/Scanner AssemblyTop Assemblies Solenoid Solenoid Removal 1Solenoid Removal 2 Pickup Roller Assembly Pickup Roller Assembly Removal 1Pickup Roller Assembly Removal 2 To reinstall Paper Pickup Roller Assembly Replacement Inside/Front ViewPaper Feed Frame Paper Feed Frame RemovalPaper Feed Frame Removal 1 Paper Feed Frame Removal 2 Transfer Roller Guide & Transfer Roller Kick Plate Kick Plate RemovalKick Plate Spring Replacement Separation Pad Separation Pad RemovalSubpads Subpad RemovalFeed Assembly Feed Assembly Removal 1Feed Assembly Removal 2 Feed Assembly Removal 3 Memory Door Guide Bottom AssembliesMemory Door Guide Removal Motor Motor RemovalDC Controller DC Controller Removal 1DC Controller Removal 2 DC Controller Removal 3 Formatter PCA Formatter Board RemovalTroubleshooting Troubleshooting General Troubleshooting Flowchart StartExit Paper Path and Components Paper Path and ComponentsDC Controller Diagram DC Controller PCA ComponentsPrinter Error Troubleshooting Priority of ErrorsPrinter Status Messages 1 Printer Status MessagesLEDs Description Recommended Action Unclearable Error Printer Status Messages 2Service and Error Messages Service and Error Messages 1Beam Error. There are a number of causes Service and Error Messages 3 Formatter ErrorImage Formation Troubleshooting Check the Toner CartridgeImage Defect Examples Faded PrintVertical Lines Character Voids Dropouts Blank Page Occasional White Horizontal Line Distorted Image or BD Failure Engine Test Troubleshooting ChecksEngine Test Half-Self Test Functional Check Drum Rotation Functional Check High-Voltage Power Supply Check High-Voltage Power Supply CheckToner Cartridge High Voltage Connection Points 1 Checks ActionToner Cartridge High Voltage Connection Points 2 Paper Curl Paper Curl TroubleshootingPossible Cause Recommended Action Paper Path Check Troubleshooting ToolsOverriding PS204 Repetitive Image Defect Ruler Repetitive Image Defect RulerMain Wiring Diagram TroubleshootingConnector Signal Name Remarks Cable PinoutsDosns 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 Description Internal Components 1 Qty Description Internal Components 2 Parts and Diagrams Internal Components 3 Parts and Diagrams DC Controller/Formatter and Cables ECU Case Connector Cable LengthInches Pickup Roller Assembly Parts and Diagrams Feed Assembly RG5-1942-000CN Feed Assembly RB1-7226-000CN Idler Roller Separation Guide Assembly Parts and Diagrams Delivery Assembly Parts and Diagrams Parts and Diagrams Parts Index Alphabetical Parts List Parts IndexParts Index A-3 Parts Index Parts Index A-5 Table A-2 Numerical Parts Index Numerical Parts List Table A-2Parts Index Parts Index A-9 Parts Index Laser Safety U.S.A Regulatory InformationLaser Statement Finland Toner Safety Ozone EmissionVcci Statement Japan FCC Statement Class BVcci Statement Japan Index HP AUDIO-TIPSIndex-2 Index-3 Index-4