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HP LaserJet Pro 300 color MFP M375nw, HP LaserJet Pro 400 color MFP M475dn/dw Service Manual, Parts List & Software Technical Reference

Service Manual, Parts List Manual & Software Technical Reference HP LaserJet Pro 300 color MFP M375nw, HP LaserJet Pro 400 color MFP M475dn/dw;
This service manual, is the full HP LaserJet Pro 300 color MFP M375nw, HP LaserJet Pro 400 color MFP M475dn/dw Service Repair Manual.
This manual, HP LaserJet Pro 300 color MFP M375nw, HP LaserJet Pro 400 color MFP M475dn/dw, is in the PDF format and have detailed Diagrams, pictures and full procedures to diagnose and repair your HP LaserJet Pro 300 color MFP M375nw, HP LaserJet Pro 400 color MFP M475dn/dw copier.
You can print, zoom or read any diagram, picture or page from this Service Manual. Every chapter on this manual is fully detailed and contain all the simulation codes, trouble codes, maintenance procedures, reset procedures, diagnose procedures of HP LaserJet Pro 300 color MFP M375nw, HP LaserJet Pro 400 color MFP M475dn/dw photocopier. You can find easily everything what do you need.
To see what contain, please read table of contents:

Content for SERVICE MANUAL & PARTS LIST MANUAL:
1. REMOVAL AND REPLACEMENT
Removal and replacement strategy
Introduction
Removal and replacement strategy
Electrostatic discharge
Required tools
Types of screws
Service approach
Before performing service
After performing service
Post-service tests
Test 1 (print-quality test)
Test 2 (copy-quality test)
Test 3 (fax-quality test; fax models only)
Parts removal order
Removal and replacement procedures
Rollers and pads
Transfer roller
Pickup roller (Tray 2 and Tray 3)
Separation roller (Trays 2 or 3)
Reinstall the separation roller
Document feeder pickup roller assembly
Pickup roller and separation pad (Tray 1)
Main assemblies
Print-cartridge drawer
DIMM cover
Right cover
Document feeder input tray
Scanner assembly
Right-front cover and power button
Rear-upper cover (duplex product)
Paper-feed guide assembly
Rear-door stopper and link caps (simplex product)
Rear door (simplex product)
Rear door (duplex product)
Rear cover and feed guide (simplex product)
Remove the rear cover and feed guide (simplex product)
Rear-lower cover and rear-door links (duplex product)
Remove the rear-lower cover and rear-door links (duplex product)
Rear-door rib assembly (duplex product)
Remove the rear-door rib assembly (duplex product)
Link guide
Control panel and right-arm mount
Reinstall the control panel and right-arm mount
Upper-cover assembly
Remove the upper-cover assembly
Reinstall the upper-cover assembly
Left cover
Remove the left cover
Reinstall the left cover
Front-door assembly
Remove the front-door assembly
Reinstall the front-door assembly
Intermediate transfer belt (ITB)
Reinstall the ITB
Drum motor (M1) and developer motor (M2)
Reinstall the drum motor (M1) and developer motor (M2)
Intermediate PCA
Formatter PCA and fax PCA
Remove the formatter PCA and fax PCA
Wireless PCA
DC controller PCA
Remove the DC controller PCA
Fuser-motor assembly
Remove the fuser-motor assembly
Reinstall the fuser-motor assembly
High-voltage power-supply PCA
Remove the high-voltage power-supply PCA
Color-misregistration sensor assembly
Remove the color-misregistration sensor assembly
Reinstall the color-misregistration sensor assembly
Fan (FM1)
USB PCA (fax/memory-card models)
Remove the USB PCA
Duplex-reverse drive assembly
Remove the duplex-reverse drive assembly
Fuser
Remove the fuser
Reinstall the fuser
Paper-delivery assembly
Remove the paper-delivery assembly
Tray cassettes and optional Tray 3 assembly

2. SOLVE PROBLEMS
Solve problems checklist
Menu map
Troubleshooting process
Pretroubleshooting checklist
Power-on checks
Troubleshooting tools
Component diagnostics
LED diagnostics
Network LEDs (network models only)
Control panel LEDs
Memory card LED (memory-card models only)
Component tests
Control-panel tests
Diagrams
Plug/jack locations
Location of connectors
DC controller PCA
Location of major components
Major components
Motors and fans
Rollers
PCAs
Optional 250-sheet cassette
General timing diagram
General circuit diagram
CPU/ASIC diagrams
HVT/Toner EMP diagram
Driver PCA diagram
Duplexer PCA diagram
FSR diagram
Internal print quality test pages
Print quality troubleshooting page
Print quality assessment page
Print the Configuration Page
Service page
Clean the paper path
Print-quality troubleshooting tools
Repetitive image defects
Calibrate the product
Control panel menus
Setup Menu
HP Web Services menu
Reports menu
Quick Forms menu
Fax Setup menu
System Setup menu
Service menu
Network Setup menu
Function specific menus
Copy menu
Fax menu
Scan menu
USB Flash Drive
Interpret control panel messages
Control panel message types
Control panel messages
10.100X Supply Memory Error
49 Error, Turn off then on
50.x Fuser Error
52 Scanner Error
57 Fan Error, Turn off then on
79 Error Turn off then on
Black Cartridge Low
Black in wrong position
Black Very Low
Canceled scan. Clear document
Canceled send. Clear document
Communication error
Cyan Cartridge Low
Cyan in wrong position
Cyan Very Low
Device error, press OK
Device is busy. Try again later
Document feeder door is open
Document feeder jam. Clear and reload
Document feeder mispick. Reload
Door open
Engine Communication Error
Engine error. Press OK to continue
Fax is busy. Canceled send
Fax is busy. Redial pending
Fax receive error
Fax Send error
Fax storage is full. Canceling the fax receive
Fax storage is full. Canceling the fax send
Fit to Page on flatbed only
Genuine HP supply installed
Incompatible
Install [color] cartridge
Invalid driver Press OK
Invalid entry
Jam in (area), Open door and clear jam
Jam in Tray 1, Clear jam and then press OK
Load paper
Load Tray 1 , Press OK to use available media
Load Tray 1, / Cleaning mode, OK to start
Load tray Press [OK] for available media
Magenta Cartridge Low
Magenta in wrong position
Magenta Very Low
Manual Duplex Load Tray 1, Press OK
Manual feed , Press OK to use available media
Memory is low. Press OK
Memory is low. Try again later
Memory low Only 1 copy made. Press OK to continue
Misprint, Press OK
No dial tone
No fax answer. Canceled send
No fax answer. Redial pending
No fax detected
Print failure, press OK. If error repeats, turn off then on
Remove shipping lock from cartridge
Remove shipping locks from cartridges
Replace [color]
Scanner error #, Turn off then on
Scanner reserved for PC scan
Scanning error Cannot connect
Settings cleared
Unexpected size in tray # Load Press [OK]
Unsupported Press [OK] to continue
Used in use
Used [color] installed, to accept press OK
Used supplies in use
Yellow Cartridge Low
Yellow in wrong position
Yellow Very Low
Event-log messages
Print the event log
Event log messages
Clear jams
Common causes of jams
Jam locations
Clear jams from the document feeder
Clear jams in Tray 1
Clear jams in Tray 2
Clear jams in the fuser area
Clear jams in the output bin
Clear jams in the duplexer (duplexing models only)
Solve paper-handling problems
The product picks up multiple sheets of paper
The product does not pick up paper
Solve image-quality problems
Print quality examples
Color image defects
Clean the product
Clean the pickup and separation rollers
Clean the paper path
Clean the paper path from the product control panel
Clean the scanner glass strip and platen
Clean the document feeder pickup rollers and separation pad
Clean the touch screen
Solve performance problems
Factors affecting print performance
Print speeds
The product does not print or it prints slowly
The product does not print
The product prints slowly
Solve product connectivity problems
Solve direct-connect problems
Solve network problems
Poor physical connection
The computer is using the incorrect IP address for the product
The computer is unable to communicate with the product
The product is using incorrect link and duplex settings for the network
New software programs might be causing compatibility problems
The computer or workstation might be set up incorrectly
The product is disabled, or other network settings are incorrect
Solve wireless network problems
Wireless connectivity checklist
The control panel displays the message: The wireless feature on this product has been turned off
The product does not print after the wireless configuration completes
The product does not print, and the computer has a third-party firewall installed
The wireless connection does not work after moving the wireless router or product
Cannot connect more computers to the wireless product
The wireless product loses communication when connected to a VPN
The network does not appear in the wireless networks list
The wireless network is not functioning
Service mode functions
Service menu
Service menu settings
Secondary service menu
Open the secondary service menu
Secondary service menu structure
Product resets
Restore the factory-set defaults
NVRAM initialization
Solve fax problems
Fax troubleshooting checklist
Fax error messages
Communication error
Document feeder door is open. Canceled fax
Fax is busy. Canceled send
Fax is busy. Redial pending
Fax receive error
Fax Send error
Fax storage is full. Canceling the fax receive
Fax storage is full. Canceling the fax receive
Fax storage is full. Canceling the fax send
No dial tone
No fax answer. Canceled send
No fax answer. Redial pending
No fax detected
Troubleshoot fax codes and trace reports
View and interpret fax error codes
Fax trace report
Fax logs and reports
Print all fax reports
Print individual fax reports
Set the fax error report
Change error correction and fax speed
Set the fax-error-correction mode
Change the fax speed
Solve problems sending faxes
An error message displays on the control panel
The Communication error. message displays
No dial tone
The Fax is busy. message displays
The No fax answer. message displays
Document feeder paper jam
The Fax storage is full. message displays
Scanner error
The control panel displays a Ready message with no attempt to send the fax
The control panel displays the message "Storing page 1" and does not
progress beyond that message
Faxes can be received, but not sent
Unable to use fax functions from the control panel
Unable to use speed dials
Unable to use group dials
Receive a recorded error message from the phone company when trying to send a fax
Unable to send a fax when a phone is connected to the product
Solve problems receiving faxes
The fax does not respond
The fax has a dedicated phone line
An answering machine is connected to the product
A telephone handset is connected to the product
The Answer Mode setting is set to the Manual setting
Voice mail is available on the fax line
The product is connected to a DSL phone service
The product uses a fax over IP or VoIP phone service
An error message displays on the control panel
The No fax detected. message displays
The Communication error. message displays
The Fax storage is full. message displays
The Fax is busy. message displays
A fax is received but does not print
The Private Receive feature is on
Sender receives a busy signal
A handset is connected to the product
A phone line splitter is being used
No dial tone
Cannot send or receive a fax on a PBX line
Solve general fax problems
Faxes are sending slowly
Fax quality is poor
Fax cuts off or prints on two pages
Product updates

3. PARTS AND DIAGRAMS
Order parts by authorized service providers
Orderable parts
Whole unit replacement
Related documentation and software
Supplies and accessories
Service parts
How to use the parts lists and diagrams
Scanner and document feeder main assemblies
Covers
Internal assemblies
Internal assemblies (1 of 5)
Internal assemblies (2 of 5)
Internal components (3 of 5)
Internal assemblies (4 of 5)
Internal assemblies (5 of 5)
Internal assemblies (simplex models)
Internal assemblies (duplex models)
PCAs
Input device(s)
250-sheet paper feeder (optional Tray 3)
Alphabetical parts list
Numerical parts list

Appendix A: Service and support
Hewlett-Packard limited warranty statement
HP's Premium Protection Warranty: LaserJet print cartridge limited warranty statement
Data stored on the print cartridge
End User License Agreement
OpenSSL
Customer support

Appendix B: Product specifications
Physical specifications
Power consumption, electrical specifications, and acoustic emissions
Environmental specifications

Appendix C: Regulatory information
FCC regulations
Environmental product stewardship program
Protecting the environment
Ozone production
Power consumption
Toner consumption
Paper use
Plastics
HP LaserJet print supplies
Return and recycling instructions
United States and Puerto Rico
Multiple returns (more than one cartridge)
Single returns
Shipping
Non-U.S. returns
Paper
Material restrictions
Disposal of waste equipment by users in private households in the European Union
Chemical substances
Material Safety Data Sheet (MSDS)
For more information
Declaration of conformity
Declaration of conformity (wireless models)
Certificate of volatility
Types of memory
Volatile memory
Non-volatile memory
Safety statements
Laser safety
Canadian DOC regulations
VCCI statement (Japan)
Power cord instructions
Power cord statement (Japan)
EMC statement (Korea)
Laser statement for Finland
GS statement (Germany)
Substances Table (China)
Restriction on Hazardous Substances statement (Turkey)
Restriction on Hazardous Substances statement (Ukraine)
Additional statements for telecom (fax) products
EU Statement for Telecom Operation
New Zealand Telecom Statements
Additional FCC statement for telecom products (US)
Telephone Consumer Protection Act (US)
Industry Canada CS-03 requirements
Vietnam Telecom wired/wireless marking for ICTQC Type approved products
Additional statements for wireless products
FCC compliance statement-United States
Australia statement
Brazil ANATEL statement
Canadian statements
European Union regulatory notice
Notice for use in France
Notice for use in Russia
Korean statement
Taiwan statement
Vietnam Telecom wired/wireless marking for ICTQC Type approved products
INDEX

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Content for SOFWARE TECHNICAL REFERENCE:
1. DOCUMENT AND PRODUCT BASICS
Purpose and scope
Software availability and localization
Printing-system software on the Web
In-box printing-system software CD
HP LaserJet Windows software CD
CD versions and language support
Driver languages
Installer languages
Documentation languages

2. WINDOWS SOFTWARE DESCRIPTION AND INSTALLATION
Introduction
Install overview
Software installation types for Windows
Installation options
CD installation and HP Smart Install installation
Supported operating systems for Windows
Software installation types for Windows
Installation for software components from the Web
Supported operating systems for Windows
Software installation types for Windows
HP LaserJet software components for Windows
Installer
Uninstaller
Printer drivers
HP PCL 6 discrete Print Driver, PCL 5 Universal Print Driver, and PS Universal Print Driver
Printer-driver version numbers for Windows operating systems
HP PCL 6 printer driver for Windows
Introduction
Access printer drivers
Help system
Advanced tab features
Printing Shortcuts tab features
Paper/Quality tab features
Effects tab features
Finishing tab features
Color tab features
Services tab features
Device Settings tab features
About tab features
Driver configuration for Windows
Bidirectional communication
Enterprise AutoConfiguration
Update Now
HP UPD Driver Configuration
Continuous export
Font support
Basic fonts
Default fonts
Scan software
HP Scan software
E-mail
Scan settings
Scan drivers
WIA driver
HP ePrint
HP Update
Help & Learn Center
Toner Cartridge Authentication
HP Device Toolbox
Home tab
Device Status
Supplies Status
Device Configuration page
Network Summary page
Reports
Color Usage Log
Event Log page
System tab
Device Information page
Paper Setup page
Print Quality page
EcoSMART Console page
Print Density page
Paper Types page
System Setup page
Service page
Save and Restore page
Product Security page
Print tab
Printing
PCL5
PostScript
Fax tab
Receive Options
Phone Book
Junk Fax List
Fax Activity Log
Networking tab
Network Summary
IPv4 Configuration
IPv6 Configuration
Wireless Configuration
Wireless Direct Setup
Network Identification
Advanced page
Certificates page
HTTPS Enforcement page
SNMP page
HP Web Services tab
Web Services Setup page
Proxy Settings page
HP Smart Install tab
HP Web Jetadmin
HP Product Improvement Study
Detailed Windows installation instructions
Use the Recommended installation with HP Smart Install or the CD
Perform a custom installation with HP Smart Install or the CD
Remove software
Use the HP Uninstall utility to remove the product software
Use the software CD to remove the product software
Remove the printer driver by using the Windows Add or Remove Programs feature
Uninstall the printer driver by using the Server Properties feature

3. MAC SOFTWARE AND UTILITIES
Software installation methods
CD installation
Supported operating systems for Mac
Supported languages
Installed software components for Mac
HP LaserJet software components and utilities for Mac
HP LaserJet Pro 300 color MFP M375 and HP LaserJet Pro 400 color MFP
M475 PPD
HP LaserJet Pro 300 color MFP M375 and HP LaserJet Pro 400 color MFP
M475 PDE
HP USB EWS Gateway
HP Utility for Mac
Open the HP Utility
HP Utility toolbar
Supplies Status
Device Information
Test
Color Usage
File Upload
Upload Fonts
HP ePrint Center
Supplies Management
Trays Configuration
Duplex Mode
Network Settings
Auto-off
Basic Fax Settings
Fax Forwarding
Fax Speed Dials
Junk Fax Blocking
Fax Logs
Message Center
Supported printer drivers for Mac
Priority for print settings for Mac
Install the Mac printing-system software
General installation for Mac operating systems
Detailed Mac installation
Setup instructions
Set up a printer with a Mac
Troubleshoot the product setup
Remove software from Mac operating systems

4. LINUX, UNIX AND OTHER
Linux information
Unix information

5. ENGINEERING DETAILS
Introduction
File to E-mail utility
Capture PRN for Mac (CUPS capture)
Network Diagnostic Utility (NDU)
Printer Diagnostic Utility (PDU)
SAP Printing
Citrix
Using the HP Universal Print Driver for Windows in Citrix environments
Traditional mode
Dynamic mode
Running the Citrix StressPrinters test using default settings
The difference between the Citrix and HP UPDs
HP and Citrix UPD recommendations
Known limitation of the UPD when used for auto-created printers or
redirected printers with client printers that are directly attached
Client printer settings not reflected in auto-created printers
Print troubleshooting
Print-quality troubleshooting tools
Repetitive image defects ruler
Calibrate the product
INDEX

Number of pages: 530.
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