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HP
5L (C3941A)
manual
Major Assembly Locations
Models:
5L (C3941A)
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Troubleshooting
Specification
Install
Parts list
Error codes
Image Formation Block Diagram
Connector Signal Name Remarks
Hardware Error There is an
Warranty
Dimension
Page 159
Image 159
Figure
8-1
Major Assembly Locations
Parts and Diagrams
8-7
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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 Features
Printer Features
Paper Capacities and Sizes
Identification
Model and Serial
HP LaserJet 5L Model and Serial Numbers
Category Specification
Specifications
Performance Specifications
Electrical Specifications
Front/Side Views of the Printer
Product Overview
Front Door Assemblies
Back View of the Printer
Ordering Consumables
Service Approach
Parts Exchange Program
Ordering Parts
Description
Related Documentation
HP CompuServe Forum
Technical Assistance
Customer Information Centers North America Only
Customer Support Center Assist Line
North American Response Center
Warranty Exclusions
Warranty
Voltage Conversions
Warranty Limitations
Site Requirements
Site Requirements
Operating Storage
Site Requirements
Operating Environment
Environmental Requirements
Printer Space Requirements Printer Dimensions
Description Dimension
Printer Space Requirements
HP C3906A Toner Cartridge
Storage Conditions
Storing Opened Toner Cartridges
Toner Cartridge Distribution
Toner Cartridge Handling Suggestions
Installation and Configuration
Installation and Configuration
Unpack the printer
Unpacking and Installation
Check package contents
Choose the best location
Load paper
Install the toner cartridge
Attach 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 1
When this Indicator
LED Lights
Hardware Error There is an
Indicator Lights 2
Front Panel Button
Front Panel Button Usage
Function Action Lights Result
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
Life Expectancy of Consumables
Life Expectancy of Consumables
Description Est Life Remarks Pgs
Toner Cartridge Life
Saving Toner with EconoMode
Five Percent Text Coverage
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 RAM
Formatter System
Read Only Memory ROM
Control Panel
Resolution Enhancement REt
EconoMode vs Normal Mode
EconoMode
Memory Enhancement technology MEt
Enhanced I/O
Protect
PJL Overview
Image Formation System
Image Formation Block Diagram
Image Writing
Drum Cleaning
Toner Cartridge
Drum Conditioning
Image Fusing
Image Developing
Image Transferring
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 next
Basic 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
Covers and Doors
Back Cover
Back Cover Removal 1
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
Laser/Scanner Assembly
Laser/Scanner Assembly Removal
Top Assemblies
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
Bottom Assemblies
Memory Door Guide
Memory Door Guide Removal
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
Printer Status Messages
Printer Status Messages 1
LEDs Description Recommended Action
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
Troubleshooting Checks
Engine Test
Engine Test
Half-Self Test Functional Check
Drum Rotation Functional Check
Checks Action
High-Voltage Power Supply Check
High-Voltage Power Supply Check
Toner Cartridge High Voltage Connection Points 1
Toner Cartridge High Voltage Connection Points 2
Paper Curl Troubleshooting
Paper Curl
Possible Cause Recommended Action
Troubleshooting Tools
Paper Path Check
Overriding PS204
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
Accessories and Supplies
Accessories and Supplies
Product Number Description
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
Connector Cable Length
ECU Case
Inches
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
FCC Statement Class B
Vcci Statement Japan
Vcci Statement Japan
HP AUDIO-TIPS
Index
Index-2
Index-3
Index-4
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