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HP 5L (C3941A) manual Memory Door Removal

Models: 5L (C3941A)

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Memory Door

1Unplug the power cord and remove the parallel cable from the back of the printer.

2Remove the toner cartridge.

3Gently tip the printer onto its side so that the Control Panel is on top.

4Carefully pull the door tab out (Figure 6-5, callout 1) and away from the printer in a gentle rocking motion (Figure 6-5, callout 2).

Figure 6-5

Memory Door Removal

Removal and Replacement 6 - 9

Image 83

HP 5L (C3941A) manual Memory Door Removal

Contents

HP LaserJet 5L C3941A Warranty Conventions Product Information Chapter Descriptions List of Figures Figure B-1 Vcci Statement Japan List of Tables Viii Product Information Contents Product Information Paper Capacities and Sizes Printer FeaturesPrinter Features Paper Capacities and Sizes HP LaserJet 5L Model and Serial Numbers IdentificationModel and Serial Category Specification SpecificationsPerformance Specifications Electrical Specifications Front/Side Views of the Printer Product Overview Front Door Assemblies Back View of the Printer Ordering Consumables Service ApproachParts Exchange Program Ordering Parts Description Related Documentation HP CompuServe Forum Technical Assistance North American Response Center Customer Information Centers North America OnlyCustomer Support Center Assist Line Warranty Exclusions Warranty Voltage Conversions Warranty Limitations Site Requirements Site Requirements Operating Storage Site RequirementsOperating Environment Environmental Requirements Printer Space Requirements Printer Space Requirements Printer DimensionsDescription Dimension Storing Opened Toner Cartridges HP C3906A Toner CartridgeStorage Conditions Toner Cartridge Distribution Toner Cartridge Handling Suggestions Installation and Configuration Installation and Configuration Unpack the printer Unpacking and InstallationCheck package contents Choose the best location Load paper Install the toner cartridgeAttach the power cord Install printing software Minimum System Requirements Host-Based Printer Driver Host-Based Printer Settings Options Host-Based Printer Settings Host-Based Printing Status PCL Printer Driver PCL Printer Settings Options PCL Printer Settings PCL Printing Status Using Host-Based and PCL Drivers Together Control Panel Layout Using the Control Panel It means this Do this Indicator Lights 1When this Indicator LED Lights Hardware Error There is an Indicator Lights 2 Function Action Lights Result Front Panel ButtonFront Panel Button Usage Self-test Printing a Self-Test Continuous Self Test Engine Test Button Printing an Engine Test To Reset the Printer Resetting the Printer Installation and Configuration Printer Maintenance Printer Maintenance Description Est Life Remarks Pgs Life Expectancy of ConsumablesLife Expectancy of Consumables Five Percent Text Coverage Toner Cartridge LifeSaving Toner with EconoMode Recycling Toner Cartridges Refilled Toner Cartridges Cleaning the Printer Cleaning Printer Components Cleaning Printer Components Cleaning Spilled Toner Functional Overview Functional Overview Basic Printer Functions Printer Functional Block Diagram DC Controller Loads DC Controller/Power System Laser and Scanner Drive Print Engine Control System AC Power Distribution Power System on DC Controller PCA High Voltage Power Distribution Parallel Interface Random Access Memory RAMFormatter System Read Only Memory ROM Control Panel Resolution Enhancement REt Memory Enhancement technology MEt EconoMode vs Normal ModeEconoMode PJL Overview Enhanced I/OProtect Image Formation System Image Formation Block Diagram Image Writing Drum CleaningToner Cartridge Drum Conditioning Image Transferring Image FusingImage Developing Paper Feed System Simplified Paper Path Name Description Solenoid and Sensors Solenoid and Photosensors Paper Jam Detection Period Timing Purpose Refer to Timing Diagram on the nextBasic Sequence of Operation Printer Timing General Timing Diagram Removal and Replacement Removal and Replacement Removal and Replacement Strategy Phillips and Posidriv screwdrivers Required Tools Installing Memory Cards Dram Back Cover Removal 1 Covers and DoorsBack Cover Back Cover Removal 2 EP Door Assembly Removal EP Door Assembly Memory Door Removal Memory Door Main Cover and Paper Input Assembly Removal Main Cover and Paper Input Assembly Control Panel Removal Internal Assemblies Exit Roller Removal Exit Roller Assembly Delivery Assembly Removal 1 Delivery Assembly Delivery Assembly Removal 2 Fuser Pressure Plate Removal Fuser Pressure Plate Fuser Pressure Plate Replacement Heating Element Removal 1 Heating Element Heating Element Removal 2 Heating Element Removal 3 Pressure Roller Removal Pressure Roller Face-Up/Face-Down Lever Face-Up/Face-Down Lever Replacement Fuser Exit Roller Removal Fuser Exit Roller Assembly Paper Exit Sensor Flag Paper Exit Sensor Flag Replacement Top Assemblies Laser/Scanner AssemblyLaser/Scanner Assembly Removal Solenoid Removal 1 Solenoid Solenoid Removal 2 Pickup Roller Assembly Removal 1 Pickup Roller Assembly Pickup Roller Assembly Removal 2 Paper Pickup Roller Assembly Replacement Inside/Front View To reinstall Paper Feed Frame Removal Paper Feed Frame Paper Feed Frame Removal 1 Paper Feed Frame Removal 2 Transfer Roller Guide & Transfer Roller Kick Plate Removal Kick Plate Kick Plate Spring Replacement Separation Pad Removal Separation Pad Subpad Removal Subpads Feed Assembly Removal 1 Feed Assembly Feed Assembly Removal 2 Feed Assembly Removal 3 Memory Door Guide Removal Bottom AssembliesMemory Door Guide Motor Removal Motor DC Controller Removal 1 DC Controller DC Controller Removal 2 DC Controller Removal 3 Formatter Board Removal Formatter PCA Troubleshooting Troubleshooting Start General Troubleshooting Flowchart Exit Paper Path and Components Paper Path and Components DC Controller PCA Components DC Controller Diagram Priority of Errors Printer Error Troubleshooting LEDs Description Recommended Action Printer Status MessagesPrinter Status Messages 1 Printer Status Messages 2 Unclearable Error Service and Error Messages 1 Service and Error Messages Beam Error. There are a number of causes Formatter Error Service and Error Messages 3 Check the Toner Cartridge Image Formation Troubleshooting Faded Print Image Defect Examples Vertical 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 Checks Action High-Voltage Power Supply CheckHigh-Voltage Power Supply Check Toner Cartridge High Voltage Connection Points 1 Toner Cartridge High Voltage Connection Points 2 Possible Cause Recommended Action Paper Curl TroubleshootingPaper Curl Overriding PS204 Troubleshooting ToolsPaper Path Check Repetitive Image Defect Ruler Repetitive Image Defect Ruler Troubleshooting Main Wiring Diagram Cable Pinouts Connector Signal Name Remarks Dosns Troubleshooting Parts and Diagrams Parts and Diagrams How to Use the Part Lists and Diagrams Parts and cannot be ordered through SMO Product Number Description Accessories and SuppliesAccessories and Supplies Example Description Common Hardware Major 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 Inches Connector Cable LengthECU Case 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 List Parts Index A-3 Parts Index Parts Index A-5 Table A-2 Numerical Parts Index Table A-2 Numerical Parts List Parts Index Parts Index A-9 Parts Index Regulatory Information Laser Safety U.S.A Laser Statement Finland Ozone Emission Toner Safety Vcci Statement Japan FCC Statement Class BVcci Statement Japan HP AUDIO-TIPS Index Index-2 Index-3 Index-4