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HP
5L (C3941A)
manual
Internal Components 2
Models:
5L (C3941A)
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Troubleshooting
Specifications
Install
Parts list
Error codes
Image Formation Block Diagram
Connector Signal Name Remarks
Hardware Error There is an
Warranty
Dimension
Page 164
Image 164
Figure
8-4
Internal Components (2 of 3)
8-12
Parts and Diagrams
Page 163
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Image 164
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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 Features
Paper Capacities and Sizes
Paper Capacities and Sizes
HP LaserJet 5L Model and Serial Numbers
Identification
Model and Serial
Specifications
Performance Specifications
Electrical Specifications
Category Specification
Product Overview
Front/Side Views of the Printer
Front Door Assemblies
Back View of the Printer
Service Approach
Parts Exchange Program
Ordering Parts
Ordering Consumables
Related Documentation
Description
Technical Assistance
HP CompuServe Forum
North American Response Center
Customer Information Centers North America Only
Customer Support Center Assist Line
Warranty
Warranty Exclusions
Warranty Limitations
Voltage Conversions
Site Requirements
Site Requirements
Site Requirements
Operating Environment
Environmental Requirements
Operating Storage
Printer Space Requirements
Printer Space Requirements Printer Dimensions
Description Dimension
Storing Opened Toner Cartridges
HP C3906A Toner Cartridge
Storage Conditions
Toner Cartridge Handling Suggestions
Toner Cartridge Distribution
Installation and Configuration
Installation and Configuration
Unpacking and Installation
Check package contents
Choose the best location
Unpack the printer
Install the toner cartridge
Attach the power cord
Install 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 Indicator
LED Lights
It means this Do this
Indicator Lights 2
Hardware Error There is an
Function Action Lights Result
Front Panel Button
Front Panel Button Usage
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
Description Est Life Remarks Pgs
Life Expectancy of Consumables
Life Expectancy of Consumables
Five Percent Text Coverage
Toner Cartridge Life
Saving Toner with EconoMode
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 System
Read Only Memory ROM
Parallel Interface
Resolution Enhancement REt
Control Panel
Memory Enhancement technology MEt
EconoMode vs Normal Mode
EconoMode
PJL Overview
Enhanced I/O
Protect
Image Formation Block Diagram
Image Formation System
Drum Cleaning
Toner Cartridge
Drum Conditioning
Image Writing
Image Transferring
Image Fusing
Image Developing
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 Operation
Printer 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
Back Cover Removal 1
Covers and Doors
Back Cover
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
Top Assemblies
Laser/Scanner Assembly
Laser/Scanner Assembly Removal
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
Memory Door Guide Removal
Bottom Assemblies
Memory Door Guide
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
LEDs Description Recommended Action
Printer Status Messages
Printer Status Messages 1
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
Engine Test
Troubleshooting Checks
Engine Test
Half-Self Test Functional Check
Drum Rotation Functional Check
High-Voltage Power Supply Check
High-Voltage Power Supply Check
Toner Cartridge High Voltage Connection Points 1
Checks Action
Toner Cartridge High Voltage Connection Points 2
Possible Cause Recommended Action
Paper Curl Troubleshooting
Paper Curl
Overriding PS204
Troubleshooting Tools
Paper Path Check
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
Product Number Description
Accessories and Supplies
Accessories and Supplies
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
Inches
Connector Cable Length
ECU 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
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
Vcci Statement Japan
FCC Statement Class B
Vcci Statement Japan
Index
HP AUDIO-TIPS
Index-2
Index-3
Index-4