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HP LaserJet 4100/4101 MFP service addendum

C9149A Service Addendum View Service Addendum

Table of Contents

Product Information
Product configurations
HP LaserJet 4100mfp (C9148A)
HP LaserJet 4101mfp (C9149A)
Product features
Copying capability
Image quality
Paper handling
Product speed and throughput
Product specifications
Expandable design
Media specifications
Special considerations for ADF documents
Supported media for the glass
Model and serial numbers
Product overview
Front view
Back view
Service approach
Service approach
Major assemblies
Contact HP
HP authorized resellers and support
HP service agreements
HP support assistant CD-ROM
World Wide Web
Using the ADF unit
General guidelines for using the ADF unit
Using the glass
General guidelines for using the glass
Using the control panel
Layout and operation
Status bar
Walk-up copy display
Cleaning the product
General guidelines
Cleaning the ADF delivery guide (clear mylar strip)
Running the cleaning page
User-replaceable parts
Replacing user-replaceable parts
Updating product firmware
Downloading a remote firmware update
Installing the update
Troubleshooting RFU installation
Cold Reset
Performing hard-drive disk initialization
NVRAM initialization
Performing automatic Calibration
Performing manual calibration
Theory of operation
Document exposure system
Document transportation process
Light-conversion process
General descriptions
Scan-unit components
ADF components
Copy processor board
Scanner controller board
Intermediate PCB
Power supply
Optical unit
CCD driver PCB
Inverter PCB
Scanning lamp
ADF document-feed system
Scan-unit intake fan
Removal and replacement
Removal and replacement strategy
After performing service
Before performing service
Required tools
Common fasteners
Parts removal order
User-replaceable parts
ADF input tray
ADF pickup roller
ADF separation roller
ADF separation pad
ADF unit
Assemblies and covers
Control-panel door
Scan-unit right-side cover
Copy processor board
Scan-unit left-side cover
Intake fan filter
Formatter cage
Scan unit
Printing-unit top cover
Scanning lamp
Optical unit
ADF door open sensor (PS10)
Optical-unit drive gear/motor assembly
Scan-unit power supply
Inverter PCB
Scanner controller PCB
Intake fan
Troubleshooting process
Preliminary operating checks
Basic troubleshooting process flow
Basic troubleshooting
Power-on defects
Troubleshooting with the control panel
Control-panel display
Event log
Control-panel messages
Troubleshooting with the copy processor board
User-level and service-level diagnostics
ADF paper-path test
Diagnostic tests
Service-level diagnostics
Service menu
Jam troubleshooting
Clearing repeated ADF jams
Creating a customer print job
Evaluate the information pages
Configuration page
JetDirect page
Supplies status page
Usage page
File directory page
Image-formation troubleshooting
Checking the print cartridge
Image-defect tables
Media troubleshooting
Isolate a paper path
Isolate a media brand
Isolate a media type
Wiring diagrams
Parts and diagrams
Ordering parts, supplies and getting support
Related documentation and software
Common hardware
HP Laserjet 4100 differences
How to use the parts lists and diagrams
Parts lists and diagrams
Alphabetical parts list
Numerical parts list

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