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HP Comprehensive Guide to Subpad Replacement for C3941A Printer

Models: 5L (C3941A)

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Page 111

Subpads

N o t e

When you replace the Separation Pad, you should also replace the smaller subpads

at the same time.

1

Place your index finger on the subpad.

2

Press toward the top of the printer.

Figure 6-33

Subpad Removal

Removal and Replacement 6 - 37

Image 111

HP 5L (C3941A) manual Subpads, Subpad Removal

Contents

HP LaserJet 5L C3941A Warranty Conventions Product Information Chapter DescriptionsList of Figures Figure B-1 Vcci Statement Japan List of Tables Viii Product Information ContentsProduct Information Paper Capacities and Sizes Printer FeaturesPrinter Features Paper Capacities and SizesIdentification Model and SerialHP LaserJet 5L Model and Serial Numbers Category Specification SpecificationsPerformance Specifications Electrical SpecificationsFront/Side Views of the Printer Product OverviewFront Door Assemblies Back View of the Printer Ordering Consumables Service ApproachParts Exchange Program Ordering PartsDescription Related DocumentationHP CompuServe Forum Technical AssistanceCustomer Information Centers North America Only Customer Support Center Assist LineNorth American Response Center Warranty Exclusions WarrantyVoltage Conversions Warranty LimitationsSite Requirements Site Requirements Operating Storage Site RequirementsOperating Environment Environmental RequirementsPrinter Space Requirements Printer Dimensions Description DimensionPrinter Space Requirements HP C3906A Toner Cartridge Storage ConditionsStoring Opened Toner Cartridges Toner Cartridge Distribution Toner Cartridge Handling SuggestionsInstallation and Configuration Installation and Configuration Unpack the printer Unpacking and InstallationCheck package contents Choose the best locationLoad paper Install the toner cartridgeAttach the power cord Install printing softwareMinimum System Requirements Host-Based Printer DriverHost-Based Printer Settings Options Host-Based Printer SettingsHost-Based Printing Status PCL Printer DriverPCL Printer Settings Options PCL Printer SettingsPCL Printing Status Using Host-Based and PCL Drivers TogetherControl Panel Layout Using the Control PanelIt means this Do this Indicator Lights 1When this Indicator LED LightsHardware Error There is an Indicator Lights 2Front Panel Button Front Panel Button UsageFunction Action Lights Result Self-test Printing a Self-TestContinuous Self Test Engine Test Button Printing an Engine TestTo Reset the Printer Resetting the PrinterInstallation and Configuration Printer Maintenance Printer Maintenance Life Expectancy of Consumables Life Expectancy of ConsumablesDescription Est Life Remarks Pgs Toner Cartridge Life Saving Toner with EconoModeFive Percent Text Coverage Recycling Toner Cartridges Refilled Toner CartridgesCleaning the Printer Cleaning Printer Components Cleaning Printer ComponentsCleaning Spilled Toner Functional Overview Functional Overview Basic Printer Functions Printer Functional Block DiagramDC Controller Loads DC Controller/Power SystemLaser and Scanner Drive Print Engine Control SystemAC Power Distribution Power System on DC Controller PCAHigh Voltage Power Distribution Parallel Interface Random Access Memory RAMFormatter System Read Only Memory ROMControl Panel Resolution Enhancement REtEconoMode vs Normal Mode EconoModeMemory Enhancement technology MEt Enhanced I/O ProtectPJL Overview Image Formation System Image Formation Block DiagramImage Writing Drum CleaningToner Cartridge Drum ConditioningImage Fusing Image DevelopingImage Transferring Paper Feed System Simplified Paper Path Name Description Solenoid and Sensors Solenoid and PhotosensorsPaper Jam Detection Period Timing Purpose Refer to Timing Diagram on the nextBasic Sequence of Operation Printer TimingGeneral Timing Diagram Removal and Replacement Removal and Replacement Removal and Replacement Strategy Phillips and Posidriv screwdrivers Required ToolsInstalling Memory Cards Dram Covers and Doors Back CoverBack Cover Removal 1 Back Cover Removal 2 EP Door Assembly Removal EP Door AssemblyMemory Door Removal Memory DoorMain Cover and Paper Input Assembly Removal Main Cover and Paper Input AssemblyControl Panel Removal Internal AssembliesExit Roller Removal Exit Roller AssemblyDelivery Assembly Removal 1 Delivery AssemblyDelivery Assembly Removal 2 Fuser Pressure Plate Removal Fuser Pressure PlateFuser Pressure Plate Replacement Heating Element Removal 1 Heating ElementHeating Element Removal 2 Heating Element Removal 3 Pressure Roller Removal Pressure RollerFace-Up/Face-Down Lever Face-Up/Face-Down Lever ReplacementFuser Exit Roller Removal Fuser Exit Roller AssemblyPaper Exit Sensor Flag Paper Exit Sensor Flag ReplacementLaser/Scanner Assembly Laser/Scanner Assembly RemovalTop Assemblies Solenoid Removal 1 SolenoidSolenoid Removal 2 Pickup Roller Assembly Removal 1 Pickup Roller AssemblyPickup Roller Assembly Removal 2 Paper Pickup Roller Assembly Replacement Inside/Front View To reinstallPaper Feed Frame Removal Paper Feed FramePaper Feed Frame Removal 1 Paper Feed Frame Removal 2 Transfer Roller Guide & Transfer Roller Kick Plate Removal Kick PlateKick Plate Spring Replacement Separation Pad Removal Separation PadSubpad Removal SubpadsFeed Assembly Removal 1 Feed AssemblyFeed Assembly Removal 2 Feed Assembly Removal 3 Bottom Assemblies Memory Door GuideMemory Door Guide Removal Motor Removal MotorDC Controller Removal 1 DC ControllerDC Controller Removal 2 DC Controller Removal 3 Formatter Board Removal Formatter PCATroubleshooting Troubleshooting Start General Troubleshooting FlowchartExit Paper Path and Components Paper Path and ComponentsDC Controller PCA Components DC Controller DiagramPriority of Errors Printer Error TroubleshootingPrinter Status Messages Printer Status Messages 1LEDs Description Recommended Action Printer Status Messages 2 Unclearable ErrorService and Error Messages 1 Service and Error MessagesBeam Error. There are a number of causes Formatter Error Service and Error Messages 3Check the Toner Cartridge Image Formation TroubleshootingFaded Print Image Defect ExamplesVertical Lines Character Voids Dropouts Blank Page Occasional White Horizontal Line Distorted Image or BD Failure Troubleshooting Checks Engine TestEngine Test Half-Self Test Functional Check Drum Rotation Functional Check Checks Action High-Voltage Power Supply CheckHigh-Voltage Power Supply Check Toner Cartridge High Voltage Connection Points 1Toner Cartridge High Voltage Connection Points 2 Paper Curl Troubleshooting Paper CurlPossible Cause Recommended Action Troubleshooting Tools Paper Path CheckOverriding PS204 Repetitive Image Defect Ruler Repetitive Image Defect RulerTroubleshooting Main Wiring DiagramCable Pinouts Connector Signal Name RemarksDosns 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 Example Description Common HardwareMajor 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 Connector Cable Length ECU CaseInches 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 Parts Index Alphabetical Parts ListParts Index A-3 Parts Index Parts Index A-5 Table A-2 Numerical Parts Index Table A-2 Numerical Parts ListParts Index Parts Index A-9 Parts Index Regulatory Information Laser Safety U.S.ALaser Statement Finland Ozone Emission Toner SafetyFCC Statement Class B Vcci Statement JapanVcci Statement Japan HP AUDIO-TIPS IndexIndex-2 Index-3 Index-4