Present Service Manual contain: Service Repair Manual and Service Troubleshooting Manual LaserJet Pro M304 M305 M404 M405, LaserJet Pro MFP M329 M428 M429.
This manual is in the english language, in the PDF format and have detailed Diagrams, pictures and full procedures to diagnose and repair your printer.
Table of contents:
Content for REPAIR MANUAL:H
1. REMOVAL AND REPLACEMENT
Service and support
Additional service and support for channel partners
Additional service and support for internal personnel
Removal and replacement strategy
Introduction
Considerations during removal and replacement
Electrostatic discharge
Required tools
Fasteners used in this printer
Service approach
Before performing service
Repair Mode
When using toner cartridges multiple times
After performing service
Post-service test
Print-quality test
Copy quality test (MFP only)
Fax-quality test (fax models)
Other tests
Removal and replacement procedures
Customer self-repair (CSR) A parts and assemblies
Removal and replacement: RL2-0656-000CN multipurpose tray roller
Introduction
Step 1: Remove the roller
Step 2: Unpack the replacement assembly
Step 3: Install the roller
Removal and replacement: RM2-5392-010CN 250-sheet paper input tray
Introduction
Step 1: Remove Tray 2
Step 2: Unpack the replacement assembly
Step 3: Install Tray 2
Removal and replacement: RM2-5413-000CN optional Tray 3 cassette
Introduction
Step 1: Remove optional Tray 3
Step 2: Unpack the replacement assembly
Step 3: Install optional Tray 3
Removal and replacement: RM2-5397-000CN Tray 2 separation roller assembly
Introduction
Step 1: Remove Tray 2
Step 2: Remove the separation pad roller assembly (Tray 2)
Step 3: Unpack the replacement assembly
Step 4: Install the separation pad roller assembly (Tray 2)
Step 5: Install Tray 2
Removal and replacement: RM2-5745-000CN optional Tray 3 separation roller assembly
Introduction
Step 1: Remove Tray 3
Step 2: Remove the separation roller assembly (optional Tray 3)
Step 3: Unpack the replacement assembly
Step 4: Install the separation roller assembly (optional Tray 3)
Step 5: Install Tray 3
Removal and replacement: RM2-5741-000CN optional Tray 3 paper pickup roller assembly
Introduction
Step 1: Remove optional Tray 3
Step 2: Remove the paper pickup roller assembly (optional Tray 3)
Step 3: Unpack the replacement assembly
Step 4: Install the paper pickup roller assembly (optional Tray 3)
Step 5: Install optional Tray 3
Removal and replacement: RM2-5452-000CN Tray 2 paper pickup roller assembly
Introduction
Step 1: Remove Tray 2
Step 2: Remove the pickup roller assembly (Tray 2)
Step 3: Unpack the replacement assembly
Step 4: Install the pickup roller assembly (Tray 2)
Step 5: Install Tray 2
Removal and replacement: External panels, covers, and doors
Removal and replacement: Damper sheets
Introduction
Step 1: Remove the damper sheets
Step 2: Unpack the replacement assembly
Removal and replacement: Rear USB cover
Introduction
Step 1: Remove the rear USB cover
Step 2: Unpack the replacement assembly
Removal and replacement: Support shaft
Introduction
Step 1: Remove the support shaft
Step 2: Unpack the replacement assembly
Removal and replacement: Cartridge door assembly
Introduction
Step 1: Remove the cartridge door assembly
Step 2: Unpack the replacement assembly
Removal and replacement: Pressure-release link
Introduction
Step 1: Remove the cartridge door assembly
Step 2: Remove the pressure-release link
Step 3: Unpack the replacement assembly
Removal and replacement: Left cover
Introduction
Step 1: Remove the rear USB cover
Step 2: Remove the network cover
Step 3: Remove Tray 2
Step 4: Remove the cartridge door assembly
Step 5: Remove the left cover
Step 6: Unpack the replacement assembly
Removal and replacement: Right cover
Introduction
Step 1: Remove Tray 2
Step 2: Remove the cartridge door assembly
Step 3: Remove the right cover
Step 4: Unpack the replacement assembly
Removal and replacement: Rear door assembly
Introduction
Step 1: Remove Tray 2
Step 2: Remove the cartridge door assembly
Step 3: Remove the left cover
Step 4: Remove the right cover
Step 5: Remove the rear door assembly
Step 6: Unpack the replacement assembly
Removal and replacement: Cassette rear cover
Introduction
Step 1: Remove Tray 2
Step 2: Remove the cartridge door assembly
Step 3: Remove the left cover
Step 4: Remove the right cover
Step 5: Remove the rear door assembly
Step 6: Remove the cassette rear cover
Step 7: Unpack the replacement assembly
Removal and replacement: Top cover (M329/M428/M429)
Introduction
Step 1: Remove Tray 2
Step 2: Remove the cartridge door assembly
Step 3: Remove the left cover
Step 4: Remove the right cover
Step 5: Remove the integrated scanner assembly (M329/M428/M429)
Step 6: Remove the control panel (M329/M428/M429)
Step 7: Remove the top cover (M329/M428/M429)
Step 8: Unpack the replacement assembly
Removal and replacement: Cable guide (M329/M428/M429)
Introduction
Step 1: Remove Tray 2
Step 2: Remove the cartridge door assembly
Step 3: Remove the left cover
Step 4: Remove the right cover
Step 5: Remove the control panel (M329/M428/M429)
Step 6: Remove the integrated scanner assembly (M329/M428/M429)
Step 7: Remove the top cover (M329/M428/M429)
Step 8: Remove the cable guide (M329/M428/M429)
Step 9: Unpack the replacement assembly
Removal and replacement: Top cover (M304/M305/M404/M405)
Introduction
Step 1: Remove Tray 2
Step 2: Remove the cartridge door assembly
Step 3: Remove the left cover
Step 4: Remove the right cover
Step 5: Remove the top cover (M304/M305/M404/M405)
Step 7: Unpack the replacement assembly
Removal and replacement: 2-line LCD operator and indication covers (M304/M305/M404/M405)
Introduction
Step 1: Remove Tray 2
Step 2: Remove the cartridge door assembly
Step 3: Remove the left cover
Step 4: Remove the right cover
Step 5: Remove the top cover (M304/M305/M404/M405)
Step 6: Remove the 2-line LCD operator and indication covers (M304/M305/M404/M405)
Step 7: Unpack the replacement assembly
Removal and replacement: Paper delivery tray (output bin)
Introduction
Step 1: Remove Tray 2
Step 2: Remove the cartridge door assembly
Step 3: Remove the left cover
Step 4: Remove the right cover
Step 5: Remove the integrated scanner assembly (M329/M428/M429)
Step 6: Remove the control panel (M329/M428/M429)
Step 7: Remove the top cover (M329/M428/M429)
Step 8: Remove the top cover (M304/M305/M404/M405)
Step 9: Remove the paper delivery tray (output bin)
Step 10: Unpack the replacement assembly
Removal and replacement: Integrated scanner assembly (M329/M428/M429)
Introduction
Step 1: Remove Tray 2
Step 2: Remove the cartridge door assembly
Step 3: Remove the left cover
Step 4: Remove the ISA (M329/M428/M429)
Step 5: Unpack the replacement assembly
Removal and replacement: ISA lift assembly and slider pin (M329/M428/M429)
Introduction
Step 1: Remove the slider pin (M329/M428/M429)
Step 2: Remove the ISA lift assembly (M329/M428/M429)
Step 3: Unpack the replacement assembly
Removal and replacement: Internal parts and assemblies
Removal and replacement: Fuser
Introduction
Step 1: Remove Tray 2
Step 2: Remove the cartridge door assembly
Step 3: Remove the left cover
Step 4: Remove the right cover
Step 5: Remove the rear door assembly
Step 6: Remove the fuser
Step 7: Unpack the replacement assembly
Removal and replacement: Registration assembly
Introduction
Step 1: Remove Tray 2
Step 2: Remove the cartridge door assembly
Step 3: Remove the left cover
Step 4: Remove the right cover
Step 5: Remove the rear door assembly
Step 6: Remove the integrated scanner assembly (M329/M428/M429)
Step 7: Remove the control panel (M329/M428/M429)
Step 8: Remove the top cover (M329/M428/M429)
Step 9: Remove the top cover (M304/M305/M404/M405)
Step 10: Remove the paper delivery tray (output bin)
Step 11: Remove the fuser
Step 12: Remove the registration assembly
Step 13: Unpack the replacement assembly
Removal and replacement: Main motor (M1)
Introduction
Step 1: Remove Tray 2
Step 2: Remove the cartridge door assembly
Step 3: Remove the right cover
Step 4: Remove the main motor (M1)
Step 5: Unpack the replacement assembly
Removal and replacement: Power switch printed circuit assembly
Introduction
Step 1: Remove Tray 2
Step 2: Remove the cartridge door assembly
Step 3: Remove the right cover
Step 4: Remove the power switch PCA
Step 5: Unpack the replacement assembly
Removal and replacement: Fax PCA (M329/M428/M429)
Introduction
Step 1: Remove Tray 2
Step 2: Remove the cartridge door assembly
Step 3: Remove the left cover
Step 4: Remove the fax PCA (Fax models onlyi)
Step 5: Unpack the replacement assembly
Removal and replacement: Mute USB PCA (M329/M428/M429)
Introduction
Step 1: Remove Tray 2
Step 2: Remove the cartridge door assembly
Step 3: Remove the left cover
Step 4: Remove the Mute USB PCA (M329/M428/M429)
Step 5: Unpack the replacement assembly
Removal and replacement: Wireless PCA
Introduction
Step 1: Remove Tray 2
Step 2: Remove the cartridge door assembly
Step 3: Remove the left cover
Step 4: Remove the wireless PCA
Step 5: Unpack the replacement assembly
Removal and replacement: Formatter PCA
Introduction
Step 1: Remove Tray 2
Step 2: Remove the cartridge door assembly
Step 3: Remove the left cover
Step 4: Remove the wireless PCA
Step 5: Remove the formatter PCA
Step 6: Unpack the replacement assembly
Removal and replacement: Fan (FM1)
Introduction
Step 1: Remove Tray 2
Step 2: Remove the cartridge door assembly
Step 3: Remove the left cover
Step 4: Remove the fan (FM1)
Step 5: Unpack the replacement assembly
Removal and replacement: Fan holder (FM1)
Introduction
Step 1: Remove Tray 2
Step 2: Remove the cartridge door assembly
Step 3: Remove the left cover
Step 4: Remove the fan (FM1)
Step 5: Remove the fan holder (FM1)
Step 6: Unpack the replacement assembly
Removal and replacement: Laser scanner assembly
Introduction
Step 1: Remove Tray 2
Step 2: Remove the cartridge door assembly
Step 3: Remove the left cover
Step 4: Remove the right cover
Step 5: Remove the integrated scanner assembly (M329/M428/M429)
Step 6: Remove the control panel (M329/M428/M429)
Step 7: Remove the top cover (M329/M428/M429)
Step 8: Remove the top cover (M304/M305/M404/M405)
Step 9: Remove the paper delivery tray (output bin)
Step 10: Remove the laser scanner assembly
Step 11: Unpack the replacement assembly
Removal and replacement: Sheet-metal formatter bracket and formatter PCA
Step 1: Remove Tray 2
Step 2: Remove the cartridge door assembly
Step 3: Remove the left cover
Step 4: Remove the right cover
Step 5: Remove the integrated scanner assembly (M329/M428/M429)
Step 6: Remove the control panel (M329/M428/M429)
Step 7: Remove the top cover (M329/M428/M429)
Step 8: Remove the top cover (M304/M305/M404/M405)
Step 9: Remove the sheet-metal formatter bracket and formatter PCA
Removal and replacement: Control panel FFC, (M304/M305/M404/M405)
Introduction
Step 1: Remove Tray 2
Step 2: Remove the cartridge door assembly
Step 3: Remove the left cover
Step 4: Remove the right cover
Step 5: Remove the top cover (M304/M305/M404/M405)
Step 6: Remove the paper delivery tray (output bin)
Step 7: Remove the control panel FFC
Step 8: Unpack the replacement assembly
Removal and replacement: Formatter FFC
Introduction
Step 1: Remove Tray 2
Step 2: Remove the cartridge door assembly
Step 3: Remove the left cover
Step 4: Remove the right cover
Step 5: Remove the integrated scanner assembly (M329/M428/M429)
Step 6: Remove the control panel (M329/M428/M429)
Step 7: Remove the top cover (M329/M428/M429)
Step 8: Remove the top cover (M304/M305/M404/M405)
Step 9: Remove the sheet-metal formatter bracket and formatter PCA
Step 10: Remove the formatter FFC
Step 11: Unpack the replacement assembly
Removal and replacement: DC controller
Introduction
Step 1: Remove Tray 2
Step 2: Remove the cartridge door assembly
Step 3: Remove the left cover
Step 4: Remove the right cover
Step 5: Remove the rear door assembly
Step 6: Remove the integrated scanner assembly (M329/M428/M429)
Step 7: Remove the control panel (M329/M428/M429)
Step 8: Remove the top cover (M329/M428/M429)
Step 9: Remove the top cover (M304/M305/M404/M405)
Step 10: Remove the paper delivery tray (output bin)
Step 11: Remove the sheet-metal formatter bracket and formatter PCA
Step 12: Remove the DC controller
Step 13: Unpack the replacement assembly
Removal and replacement: Tag-cable assembly (toner-cartridge memory)
Introduction
Step 1: Remove Tray 2
Step 2: Remove the cartridge door assembly
Step 3: Remove the left cover
Step 4: Remove the right cover
Step 5: Remove the integrated scanner assembly (M329/M428/M429)
Step 6: Remove the control panel (M329/M428/M429)
Step 7: Remove the top cover (M329/M428/M429)
Step 8: Remove the top cover (M304/M305/M404/M405)
Step 9: Remove the paper delivery tray (output bin)
Step 10: Remove the sheet-metal formatter bracket and formatter PCA
Step 11: Remove the tag-cable assembly (toner-cartridge memory)
Step 12: Unpack the replacement assembly
Removal and replacement: Connecting PCA
Introduction
Step 1: Remove Tray 2
Step 2: Remove the cartridge door assembly
Step 3: Remove the left cover
Step 4: Remove the right cover
Step 5: Remove the integrated scanner assembly (M329/M428/M429)
Step 6: Remove the control panel (M329/M428/M429)
Step 7: Remove the top cover (M329/M428/M429)
Step 8: Remove the top cover (M304/M305/M404/M405)
Step 9: Remove the paper delivery tray (output bin)
Step 10: Remove the sheet-metal formatter bracket and formatter PCA
Step 11: Remove the connecting PCA
Step 12: Unpack the replacement assembly
Removal and replacement: Laser scanner FFC
Introduction
Step 1: Remove Tray 2
Step 2: Remove the cartridge door assembly
Step 3: Remove the left cover
Step 4: Remove the right cover
Step 5: Remove the integrated scanner assembly (M329/M428/M429)
Step 6: Remove the control panel (M329/M428/M429)
Step 7: Remove the top cover (M329/M428/M429)
Step 8: Remove the top cover (M304/M305/M404/M405)
Step 9: Remove the paper delivery tray (output bin)
Step 10: Remove the sheet-metal formatter bracket and formatter PCA
Step 11: Remove the tag-cable assembly
Step 12: Remove the laser scanner FFC
Step 13: Unpack the replacement assembly
Removal and replacement: High-voltage power supply
Introduction
Step 1: Remove Tray 2
Step 2: Remove the cartridge door assembly
Step 3: Remove the left cover
Step 4: Remove the right cover
Step 5: Remove the integrated scanner assembly (M329/M428/M429)
Step 6: Remove the control panel (M329/M428/M429)
Step 7: Remove the top cover (M329/M428/M429)
Step 8: Remove the top cover (M304/M305/M404/M405)
Step 9: Remove the paper delivery tray (output bin)
Step 10: Remove the sheet-metal formatter bracket and formatter PCA
Step 11: Remove the HVPS
Step 12: Unpack the replacement assembly
Removal and replacement: Low-voltage power supply
Introduction
Step 1: Remove Tray 2
Step 2: Remove the cartridge door assembly
Step 3: Remove the left cover
Step 4: Remove the right cover
Step 5: Remove the integrated scanner assembly (M329/M428/M429)
Step 6: Remove the control panel (M329/M428/M429)
Step 7: Remove the top cover (M329/M428/M429)
Step 8: Remove the top cover (M304/M305/M404/M405)
Step 9: Remove the paper delivery tray (output bin)
Step 10: Remove the fan (FM1)
Step 11: Remove the sheet-metal formatter bracket and formatter PCA
Step 12: Remove the LVPS
Step 13: Unpack the replacement assembly
Removal and replacement: Control-panel assembly (M304/M305/M404/M405)
Introduction
Step 1: Remove Tray 2
Step 2: Remove the cartridge door assembly
Step 3: Remove the left cover
Step 4: Remove the right cover
Step 5: Remove the top cover (M304/M305/M404/M405)
Step 6: Remove the paper delivery tray (output bin)
Step 7: Remove the control-panel assembly (M304/M305/M404/M405)
Step 8: Unpack the replacement assembly
Removal and replacement: Control panel (M329/M428/M429) and control panel sub assemblies
Introduction
Step 1: Remove the control panel mount cover M329/M428/M429)
Step 2: Remove the control panel (M329/M428/M429)
Step 3: Remove the control panel mount base (M329/M428/M429)
Step 4: Remove the control panel mount chassis assembly (M329/M448/M429)
Step 5: Remove Tray 2
Step 6: Remove the cartridge door assembly
Step 7: Remove the left cover
Step 8: Remove the control panel 22-pin FFC (M329/M428/M429)
Step 9: Unpack the replacement assembly
Removal and replacement: Trays
Removal and replacement: Tray 2
Removal and replacement: RM2-5392-010CN 250-sheet paper input tray
Removal and replacement: RM2-5452-000CN Tray 2 paper pickup roller assembly
Removal and replacement: RM2-5397-000CN Tray 2 separation roller assembly
Removal and replacement:RM2-5375-000CN Tray 2 sensor assembly
Removal and replacement: Accessories
550-sheet paper feeder
Removal and replacement: D9P29-67018 optional 550-sheet paper feeder
Removal and replacement: RM2-5413-000CN optional Tray 3 cassette
Removal and replacement: RM2-5741-000CN optional Tray 3 paper pickup roller assembly
Removal and replacement: RM2-5745-000CN optional Tray 3 separation roller assembly
2. PARTS AND DIAGRAMS
Service and support
Additional service and support for channel partners
Additional service and support for internal personnel
Order parts, accessories, and supplies
Ordering
Orderable parts
Whole unit replacement (WUR)
Supplies
Accessories
Customer self-repair parts
Related documentation and software
Assembly locations
LaserJet Pro M304/M305/M404/M405
LaserJet Pro MFP M329/M4284/M429
How to use the parts lists and diagrams
Document feeder and image scanner
Main assemblies
Covers, printer base
Covers (M304/M305/M404/M405)
Covers (M329/M428/M429)
Internal components, printer base
Internal components, printer base (1 of 3)
Internal components, printer base (2 of 3)
Internal components, printer base (3 of 3)
550-sheet paper feeder
Covers, 550-sheet paper feeder
Main body, 550-sheet paper feeder
Alphabetical parts list
Numerical parts list
Index
_____________
Content for TROUBLESHOOTING MANUAL:
1. THEORY OF OPERATION
Service and support
Additional service and support for channel partners
Additional service and support for internal personnel
Basic operation
Sequence of operation
Formatter-control system
Power management
Printer job language (PJL)
Printer management language (PML)
Control panel
Walk-up USB (MFP only)
Wireless
Low end data model (LEDM) overview
CPU
Input/output (I/O)
USB
USB hosts
10/100/1000 networking
Fax
Memory
Firmware
Nonvolatile random access memory (NVRAM)
Flash memory
Random access memory (RAM)
Memory Enhancement technology (MEt)
Engine-control system
DC controller
Motors
Fans
Solenoids
Clutches
Switches
Sensors
Low-voltage power supply
Over-current/over-voltage protection
Safety
Low-voltage power supply functions
High-voltage power supply
High-voltage power supply circuits
Fuser bias
Fuser control
Fuser circuits
Fuser control functions
Fuser heater protection
Engine laser scanner system
Laser/scanner failure detection
Safety
Image-formation process
Step 1: Primary charging
Step 2: Laser-beam exposure
Step 3: Development
Step 4: Transfer
Step 5: Separation
Step 6: Fusing
Step 7: Drum cleaning
Toner cartridges
Design
Memory chip
Toner level and cartridge life detection
Dynamic security
Input trays/accessories
Tray 3
Basic operation
Paper path
Paper feeder controller
Motor control
Pickup and feed operation
Electrical components, pickup and feed
Other functions
Jam detection
Scanning and image capture system
Document feeder system
Document feeder simplex operation
2. SOLVE PROBLEMS
Service and support
Additional service and support for channel partners
Additional service and support for internal personnel
Solve problems checklist
Solve problems checklist
Print the menu map
Print the configuration page
Print the Printer Status Report (includes a partial event log)
Print the demo log
Troubleshooting process
Solve problems checklist
Print the menu map
Print a configuration page
Print the Printer Status Report (includes a partial event log)
Determine the problem source
Pre-troubleshooting checklist
Troubleshooting flowchart
Power subsystem
Power-on checks
Power-on troubleshooting overview
Control panel checks
Tools for troubleshooting
Individual component diagnostics
LED diagnostics
Network LEDs (network models only)
Control panel LEDs
Engine diagnostics
Engine test
Diagrams
Diagrams: Block diagrams
Cross-sectional view of printer
Cross-sectional view of 550-sheet paper feeder
Diagrams: Printed circuit assembly (PCA) connector locations
Diagrams: DC controller connections
Paper feeder controller PCA
Diagrams: External plug and port locations
Diagrams: Locations of major components
Major components (printer base)
Motor and fan
Rollers and pads (printer base)
PCAs (printer base)
Diagrams: Timing chart
Diagrams: Circuit diagrams
Advanced configuration with Embedded Web Server (EWS) and Device Toolbox (Windows)
Internal print-quality test pages
Clean the paper path
Clean the paper path (LCD control panel)
Clean the paper path (touchscreen control panel)
Print the configuration page
Print the configuration page from an LCD control panel
Print the configuration page from a touchscreen control panel
Control panel menus
2-line control-panel view (SFP models)
Touchscreen control-panel view (MFP models)
Setup menu
Preferences menu
Network Setup menu
Wi-Fi Direct menu (wireless models only)
Bluetooth low energy menu
Web Services Setup menu
Tray Management menu
Paper Setup menu
Supply Settings menu
Printer maintenance menu
Print Settings menu
Power Management menu
Reports menu
Fax Setup menu (M428fdn, M428m, M429fdn, M429fdw)
Security menu
Quick Forms menu
Function specific menus
USB menu
Fax Menu (M248/M429f models only)
Copy menu (M329/M428/M429 models only)
Scan menu (M329/M428/M429 models only)
Apps
Print
Quick sets
Hidden menus
Support menu
Boot Screen Menu
Error code and control panel message troubleshooting overview
Error codes
How to search for printer documentation
How to search WISE for printer documentation
How to search GCSN for printer documentation
Solve paper-handling problems
Printer feeds incorrect page size
Printer pulls from incorrect tray
Printer will not duplex or duplexes incorrectly
Paper does not feed from Tray 2
Output is curled or wrinkled
Printer does not pick up paper or misfeeds
The printer does not pick up paper
The printer picks up multiple sheets of paper
The document feeder jams, skews, or picks up multiple sheets of paper (MFP models)
Paper does not feed automatically
Prevent paper jams
Clear paper jams
Clear paper jams (SFP)
Experiencing frequent or recurring paper jams?
Jam locations
Clear paper jams in Tray 1
Clear paper jams in Tray 2
Clear paper jams in optional Tray 3
Clear paper jams in the fuser
Clear paper jams in the output bin
Clear paper jams in the duplexer
Clear paper jams (MFP)
Introduction
Experiencing frequent or recurring paper jams?
Jam locations
Clear paper jams in the document feeder
Clear paper jams in Tray 1
Clear paper jams in Tray 2
Clear paper jams in optional Tray 3
Clear paper jams in the fuser
Clear paper jams in the output bin
Clear paper jams in the duplexer
Solve image quality problems
Improve print quality
Print from a different software program
Check the paper-type setting for the print job
Check the paper type setting (Windows)
Check the paper type setting (Mac OS X)
Check toner-cartridge status
Clean the printer
Print a cleaning page
Clean the scanner glass strip and platen
Visually inspect the toner cartridge
Check paper and the printing environment
Step one: Use paper that meets specifications
Step two: Check the environment
Calibrate the printer to align the colors
Check other print job settings
Check the EconoMode settings
Adjust color settings (Windows)
Try a different print driver
Print quality troubleshooting guide SCOTT
Resolving print quality problems
Introduction
Troubleshoot print quality problems
Repetitive image defect ruler
Use a ruler to measure between repetitive defects
Clean the printer
Clean the pickup and separation rollers
Clean the paper path
Clean the paper path (LCD control panel)
Clean the paper path (touchscreen control panel)
Clean the touchscreen
Clean the scanner glass strip and platen
Clean the pickup rollers and separation pad in the document feeder
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 connectivity problems
Solve USB connection problems
Solve wired network problems
Introduction
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 printer does not print after the wireless configuration completes
The wireless connection does not work after moving the wireless router or product
Cannot connect more computers to the wireless product
The printer does not print, and the computer has a third-party firewall installed
The network does not appear in the wireless networks list
The wireless network is not functioning
Perform a wireless network diagnostic test
Reduce interference on a wireless network
Service/Support menus and Repair Mode functions
Service menu
Support menu
Printer resets
Restore the factory-set defaults
Semi-full reset
OOBE or Cold reset
Repair Mode
When using toner cartridges multiple times
Solve fax problems (MFP models only)
Checklist for solving fax problems
Perform a fax diagnostic test
Solve general fax problems
Faxes are sending slowly
Fax quality is poor
You touched the Cancel button to cancel a fax, but the fax was still sent
Not able to locate the fax settings in Web Jetadmin
The header is appended to the top of the page when the overlay option is enabled
A mix of names and numbers is in the recipients box
A one-page fax prints as two pages
A document stops in the document feeder in the middle of faxing
The volume for sounds coming from the fax accessory is too high or too low
Use fax over VoIP networks
Solve problems receiving faxes
Solve problems sending faxes
Fax error messages on the control panel
The No Fax Detected message displays
The Communication error message appears
No Dial Tone
The Fax is busy message appears
The No fax answer message appears
Document feeder paper jam
The Fax storage is full message appears
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
Printer is password protected
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 printer
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
Set the fax-error-correction mode
Change the fax speed
Use fax on a DSL, PBX, or ISDN system
DSL
PBX
ISDN
Solve email problems (MFP models only)
Cannot connect to the email server
Validate the SMTP gateway (Windows)
Validate the LDAP gateway (Windows)
Update the firmware
Method one: Update the firmware using the control panel
Method two: Update the firmware using the Firmware Update Utility
Appendix A Printer specifications
Printer dimensions M329, M428, and M429
Printer dimensions M304, M305, M404, and M405
Printer space requirements
Power consumption, electrical specifications, and acoustic emissions
Operating-environment range
Certificate of Volatility
Index.
LJ Pro M304 M305 M404 M405 MFPM329 MFPM428 MFPM429 M329 M428 M429 M428fdn M428fdw M428m M428dw M429fdn M429fdw M429dw M404dw M405dw M329dn M329dw M404dw M405dw MFP LaserJet Pro