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4101mfp
manual
Service addendum
Models:
4101mfp
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Troubleshooting
Specs
Install
Parts list
MFP block diagram
Dimension
Maintenance
Product configurations
Cold Reset
Diagnostic tests on
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hp LaserJet
4100mfp
4101mfp
service addendum
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Contents
Service addendum
Page
Service addendum
Quick reference service PIN code
Table of contents
Maintenance
Removal and replacement
Troubleshooting
Index
Table of contents C9148-90909
List of figures
List of figures C9148-90909
List of tables
List of tables C9148-90909
Product Information
Introduction
Product configurations
HP LaserJet 4100mfp C9148A
HP LaserJet 4101mfp C9149A
Product speed and throughput
Product features
Image quality
Paper handling
Performance Category Specification
Product specifications
Expandable design
Scan unit only
Category Specification
ADF/flatbed-unit acoustical specifications
Testing per International Standard Organization ISO
Skew specifications
Supported paper sizes and weights for the ADF
Media specifications
Size Dimensions Weight
Special considerations for ADF documents
Model and serial numbers
Front view
Product overview
Product parts back view
Back view
Product Information C9148-90909
Service approach
Major assemblies
Service approach
Contact HP
HP service agreements
World Wide Web
HP support assistant CD-ROM
Service approach C9148-90909
Operation
General guidelines for using the ADF unit
Using the ADF unit
Using the ADF
General guidelines for using the glass
Using the glass
Using the glass
Layout and operation
Using the control panel
Control panel
Walk-up copy display
Navigation
Status bar
Menus
Configure device, diagnostic, and service menus
MFP menu map 1
Menu map
MFP menu map 2
Maintenance
General guidelines
Cleaning the product
Cleaning the ADF delivery guide clear mylar strip
Running the cleaning
Replace the clear, plastic sheet
Remove the clear plastic sheet
User-replaceable parts
User-replaceable parts MFP Item Procedure Interval
Processor board on
See Back view on
Back view on
Installing the update
Downloading a remote firmware update
RFU installation messages
Updating product firmware
Using HP Web JetAdmin multiple or unattended update
Using HP Web JetAdmin single update
Windows parallel connection network printer
Windows parallel connection local printer
RFU installation error messages
Troubleshooting RFU installation
Performing hard-drive disk initialization
Cold Reset
Nvram initialization
Configuration page see Evaluate the information pages on
Performing automatic Calibration
Calibration
Performing manual calibration
Lead adjustment for the ADF
Leading-edge adjustment for the glass
Center adjustment for the ADF
Side-edge adjustment for the glass
Theory of operation
Document transportation process
Overview
Document exposure system
Light-conversion process
General descriptions
MFP block diagram
Scan-unit components
Scan-unit components
ADF-unit components
ADF components
CPB terminology
Copy processor board
Typical scanning-process flow
HP LaserJet 9000mfp
Copy processor board LEDs
OFF OFF on on
LED pattern CPB status
ADF motor circuit
Scanner controller board
Optical-unit motor circuit
Scan-unit intake-fan motor circuit
Glass. See Glass on
Scanner controller board connectors
Intermediate PCB
Power supply
Overcurrent and overvoltage protection
Low-voltage components
Power-supply block diagram
Power-supply block diagram
Optical unit
Optical unit block diagram
Scanning lamp
Inverter PCB
CCD driver PCB
Overview
ADF document-feed system
Scan-unit intake fan
Removal and replacement
Before performing service
Removal and replacement strategy
After performing service
Required tools
Common fasteners
Parts-removal tree
Parts removal order
Release the ADF input-tray hinge
ADF input tray
Release the roller shield
ADF pickup roller
Remove the ADF pickup roller
Remove the ADF separation roller
ADF separation roller
Remove the ADF separation pad
ADF separation pad
Disconnect the cable
ADF unit
Control-panel door
Assemblies and covers
Disconnect the control-panel grounding strip
Remove the control-panel door
Remove the right-side cover screw
Scan-unit right-side cover
Disconnect the high-speed copy connect cable
Disconnect the ADF cables
Remove the left-side screw
Scan-unit left-side cover
Remove the scan-unit left-side cover
Remove the intake filter
Intake fan filter
Remove the formatter-cage cover
Formatter cage
Then slide it forward
Disconnect the formatter high-speed copy connect cable
Secure the optical unit
Scan unit
Disconnect the scan unit cable
Remove the top-cover rear-mounting screws
Printing-unit top cover
Remove the glass mounting screws
Glass
Fingerprints will affect print quality
Remove the scanning lamp
Scanning-lamp wire harness routing
Optical-unit ribbon-cable clip
Release the optical unit ribbon cable
Release the tension-spring bracket
Optical-unit drive-belt tension bracket
Remove the ADF door open sensor
ADF door open sensor PS10
Remove the optical-unit cover plate
Optical-unit drive gear/motor assembly
Remove the optical-unit drive gear/motor assembly
Remove the power-supply shield
Scan-unit power supply
Remove the power supply
Remove the inverter PCB
Scanner controller PCB
Unplug the connectors
Grasp the scanner controller PCB
Remove the fan mounting screws
Intake fan
Remove the intake fan
Removal and replacement C9148-90909
Troubleshooting
Wiring diagrams Troubleshooting C9148-90909
Primary steps for troubleshooting
Troubleshooting process
Preliminary operating checks
Installation conditions
Media condition
Unit condition
Basic troubleshooting flowchart
Basic troubleshooting process flow
Basic troubleshooting
Basic troubleshooting
Is Power On
Successful?
Operational?
Is the copy function
Power malfunctions Solution
Power-on defects
Control-panel display
Troubleshooting with the control panel
Event log
Print the event log
Sample MFP event-log
Interpret the event log
Control-panel display of the event log
Display the event log
Control-panel messages
Update on
Troubleshooting with the copy processor
See Formatter cage on
Board on
Diagnostic tests on
Connectors on
Unit intake fan on
See Scanner controller board
See Inverter PCB on
Scanner controller board connectors on
Jams on
Freely see ADF components on
Copy processor board LEDs Troubleshooting C9148-90909
Troubleshooting with the copy processor board
114 and Power-on defects on
See Basic troubleshooting on
Supply on page 63 and Power-on
Defects on
Diagnostic tests
User-level and service-level diagnostics
To perform a diagnostic test
ADF paper-path test
Service menu
Service-level diagnostics
To access the service menu PIN code
Service menu Description
General ADF jam troubleshooting Cause Solution
Jam troubleshooting
Jams
Creating a customer print job
Clearing repeated ADF jams
Configuration-page elements
Configuration
Evaluate the information pages
Sample configuration
JetDirect-page elements
JetDirect
Supplies-page elements
Supplies status
Sample usage
Usage
File-directory-page elements
File directory
Image-quality checks
Image-formation troubleshooting
Image-quality checks Action
Standards?
EconoMode
Checking the print cartridge
Image-defect tables
Image defects Problem Condition Solution
Strip. See Cleaning the product on
See Cleaning the ADF delivery guide
Clear mylar strip on
Vertical lines
Isolate a paper path
Media troubleshooting
Isolate a media type
Isolate a media brand
Wiring diagrams
Parts and diagrams
Parts
Ordering parts, supplies and getting support
Related documentation and software
Support
Accessories and supplies Description Product no
Accessories
Consumables Description Product no
Common hardware
See Top-cover assembly on
HP Laserjet 4100 differences
Screws used in the ADF unit and scan unit Description
How to use the parts lists and diagrams
Covers
Parts lists and diagrams
Covers Part Number Description Reference
Top-cover assembly
Top-cover assembly Part Number Description Reference
Scan unit 1
Scan unit 1 Part Number Description Reference
Scan unit 2
Scan unit 2 Part Number Description Reference
Glass, formatter, CPB, and cables
See Accessories and supplies on
ADF unit 1
ADF unit 1 Part Number Description Reference
ADF unit 2
ADF unit 2 Part Number Description Reference
Alphabetical parts list Part Number Description
Alphabetical parts list
Spring, Tension tension spring for optic-unit
Numerical parts list Part Number Description
Numerical parts list
ADF unit entire assembly Does not include
Parts and diagrams C9148-90909
Index
Index C9148-90909
C9148-90909 Index
RAM
Sram
Index C9148-90909
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C9148-90909
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Contents