Main Cover and Paper Input Assembly | HP 5L (C3941A) guide

Main Cover and Paper Input Assembly

1Remove the toner cartridge.

2Remove memory door.

C a u t i o n	Remove the memory door first. The door will break if you remove the Main Cover
	without removing the memory door.

3Remove the EP Door Assembly.

4Remove the Back Cover.

5Remove the (2) screws from the top of the printer (Figure 6-6, callout 1).

6Grasp the two lower, front corners of the printer and pull gently outward to release the front of the Main Cover.

7Lift the cover straight off.

8Remove the Paper Input Assembly (Figure 6-6, callout 2) by rotating it forward and lifting it out.

Figure 6-6

	Main Cover and Paper Input Assembly Removal

N o t e	When replacing the Paper Input Assembly, make certain that the mylar sheet is
	positioned between the Input Feed Roller and Separation Pad.

6 - 10 Removal and Replacement

Image 84

HP 5L (C3941A) manual Main Cover and Paper Input Assembly Removal

Contents

HP LaserJet 5L C3941A Warranty Conventions Chapter Descriptions Product Information List of Figures Figure B-1 Vcci Statement Japan List of Tables Viii Contents Product Information Product Information Printer Features Printer FeaturesPaper Capacities and Sizes Paper Capacities and Sizes Identification Model and SerialHP LaserJet 5L Model and Serial Numbers Specifications Performance SpecificationsElectrical Specifications Category Specification Product Overview Front/Side Views of the Printer Front Door Assemblies Back View of the Printer Service Approach Parts Exchange ProgramOrdering Parts Ordering Consumables Related Documentation Description Technical Assistance HP CompuServe Forum Customer Information Centers North America Only Customer Support Center Assist LineNorth American Response Center Warranty Warranty Exclusions Warranty Limitations Voltage Conversions Site Requirements Site Requirements Site Requirements Operating EnvironmentEnvironmental Requirements Operating Storage Printer Space Requirements Printer Dimensions Description DimensionPrinter Space Requirements HP C3906A Toner Cartridge Storage ConditionsStoring Opened Toner Cartridges Toner Cartridge Handling Suggestions Toner Cartridge Distribution Installation and Configuration Installation and Configuration Unpacking and Installation Check package contentsChoose the best location Unpack the printer Install the toner cartridge Attach the power cordInstall printing software Load paper Host-Based Printer Driver Minimum System Requirements Host-Based Printer Settings Host-Based Printer Settings Options PCL Printer Driver Host-Based Printing Status PCL Printer Settings PCL Printer Settings Options Using Host-Based and PCL Drivers Together PCL Printing Status Using the Control Panel Control Panel Layout Indicator Lights 1 When this IndicatorLED Lights It means this Do this Indicator Lights 2 Hardware Error There is an Front Panel Button Front Panel Button UsageFunction Action Lights Result Printing a Self-Test Self-test Continuous Self Test Printing an Engine Test Engine Test Button Resetting the Printer To Reset the Printer Installation 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 Refilled Toner Cartridges Recycling Toner Cartridges Cleaning the Printer Cleaning Printer Components Cleaning Printer Components Cleaning Spilled Toner Functional Overview Functional Overview Printer Functional Block Diagram Basic Printer Functions DC Controller/Power System DC Controller Loads Print Engine Control System Laser and Scanner Drive Power System on DC Controller PCA AC Power Distribution High Voltage Power Distribution Random Access Memory RAM Formatter SystemRead Only Memory ROM Parallel Interface Resolution Enhancement REt Control Panel EconoMode vs Normal Mode EconoModeMemory Enhancement technology MEt Enhanced I/O ProtectPJL Overview Image Formation Block Diagram Image Formation System Drum Cleaning Toner CartridgeDrum Conditioning Image Writing Image Fusing Image DevelopingImage Transferring Paper Feed System Simplified Paper Path Solenoid and Sensors Solenoid and Photosensors Name Description Paper Jam Detection Refer to Timing Diagram on the next Basic Sequence of OperationPrinter Timing Period Timing Purpose General Timing Diagram Removal and Replacement Removal and Replacement Removal and Replacement Strategy Required Tools Phillips and Posidriv screwdrivers Installing Memory Cards Dram Covers and Doors Back CoverBack Cover Removal 1 Back Cover Removal 2 EP Door Assembly EP Door Assembly Removal Memory Door Memory Door Removal Main Cover and Paper Input Assembly Main Cover and Paper Input Assembly Removal Internal Assemblies Control Panel Removal Exit Roller Assembly Exit Roller Removal Delivery Assembly Delivery Assembly Removal 1 Delivery Assembly Removal 2 Fuser Pressure Plate Fuser Pressure Plate Removal Fuser Pressure Plate Replacement Heating Element Heating Element Removal 1 Heating Element Removal 2 Heating Element Removal 3 Pressure Roller Pressure Roller Removal Face-Up/Face-Down Lever Replacement Face-Up/Face-Down Lever Fuser Exit Roller Assembly Fuser Exit Roller Removal Paper Exit Sensor Flag Replacement Paper Exit Sensor Flag Laser/Scanner Assembly Laser/Scanner Assembly RemovalTop Assemblies Solenoid Solenoid Removal 1 Solenoid Removal 2 Pickup Roller Assembly Pickup Roller Assembly Removal 1 Pickup Roller Assembly Removal 2 To reinstall Paper Pickup Roller Assembly Replacement Inside/Front View Paper Feed Frame Paper Feed Frame Removal Paper Feed Frame Removal 1 Paper Feed Frame Removal 2 Transfer Roller Guide & Transfer Roller Kick Plate Kick Plate Removal Kick Plate Spring Replacement Separation Pad Separation Pad Removal Subpads Subpad Removal Feed Assembly Feed Assembly Removal 1 Feed Assembly Removal 2 Feed Assembly Removal 3 Bottom Assemblies Memory Door GuideMemory Door Guide Removal Motor Motor Removal DC Controller DC Controller Removal 1 DC Controller Removal 2 DC Controller Removal 3 Formatter PCA Formatter Board Removal Troubleshooting Troubleshooting General Troubleshooting Flowchart Start Exit Paper Path and Components Paper Path and Components DC Controller Diagram DC Controller PCA Components Printer Error Troubleshooting Priority of Errors Printer Status Messages Printer Status Messages 1LEDs Description Recommended Action Unclearable Error Printer Status Messages 2 Service and Error Messages Service and Error Messages 1 Beam Error. There are a number of causes Service and Error Messages 3 Formatter Error Image Formation Troubleshooting Check the Toner Cartridge Image Defect Examples Faded Print Vertical 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 High-Voltage Power Supply Check High-Voltage Power Supply CheckToner Cartridge High Voltage Connection Points 1 Checks Action Toner 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 Ruler Main Wiring Diagram Troubleshooting Connector Signal Name Remarks Cable Pinouts Dosns 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 Description 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 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 Alphabetical Parts List Parts Index Parts Index A-3 Parts Index Parts Index A-5 Table A-2 Numerical Parts Index Numerical Parts List Table A-2 Parts Index Parts Index A-9 Parts Index Laser Safety U.S.A Regulatory Information Laser Statement Finland Toner Safety Ozone Emission FCC Statement Class B Vcci Statement JapanVcci Statement Japan Index HP AUDIO-TIPS Index-2 Index-3 Index-4