HP LaserJet Pro M201n M202n M201dw M202dw, MFP M225dn M225rdn M226dn M225dw M226dw Service Manual and Parts List Manual


This Service Manual contain: Replace & Repair Manual and Troubleshooting Manual HP LaserJet Pro M201n M202n M201dw M202dw, MFP M225dn M225rdn M226dn M225dw M226dw.
Accurate and concise text, combined with detailed illustrations, lists of error code, instruction and diagrams, guide you through procedure of repair, remediate, maintenance and adjustments your copier, printer or scanner.
Format of the manual: PDF, makes it easy to navigate, instant download and print. English language.
To see what contain, please read table of contents:

Content for REPLACE and REPAIR MANUAL:
1) REMOVAL AND REPLACEMENT
Removal and replacement strategy
Cautions during removal and replacement
Electrostatic discharge
Required tools
Types of screws
Service strategy
Before performing service
After performing service
Post-service test
Print-quality test
Copy quality test
Parts removal order
Parts removal order: product base
Parts removal order: ADF and scanner (MFP models)
Removal and replacement procedures
Customer self repair (CSR) components
Pickup roller
Separation pad
External panels, covers, and doors: LaserJet Pro M201 and M202 series
Parts identification and location: HP LaserJet Pro M201 and M 202
Input and output tray assemblies
Dust cover
Input tray assembly
Output tray assembly
Left cover, duplex product
Left cover, simplex product
Top cover cap, duplex product
Remove the top cover cap, duplex product
Front cover assembly
Remove the front cover assembly
Right cover, duplex product
Remove the right cover, duplex product
Right cover, simplex product
Remove the right cover, simplex product
Duplex door and duplex frame, duplex product
Duplex door, duplex product
Duplex frame, duplex product
Rear cover, simplex product
Remove the rear cover, simplex product
Cartridge door, simplex product
Remove the cartridge door, simplex product
Top cover, simplex product
Remove the cartridge door, simplex product
Cartridge door, duplex product
Remove the cartridge door, duplex product
Top cover
Remove the top cover
External panels, covers, and doors: LaserJet Pro MFP M225 and M226 series
Parts identification and location: LaserJet Pro MFP M225, M226
Input and output tray assemblies (all models)
Dust cover
Input tray assembly
Output tray assembly
Left cover
Front cover assembly
Remove the front cover assembly
Right cover
Remove the right cover assembly
Scanner assembly
Remove the scanner assembly
Scanner hinges
Remove the scanner hinges
Duplex door and duplex frame
Duplex door
Duplex frame
Cartridge door
Remove the cartridge door
Top cover cap
Remove the top cover cap
Top cover
Remove the top cover
Transfer roller
Internal assemblies
Formatter PCA
Fuser
Remove the fuser
Reinstall the fuser
Main assemblies
Fuser film assembly
Remove the fuser film assembly
Reinstall the fuser film assembly
Laser/scanner assembly
Remove the laser/scanner assembly
Reinstall the laser/scanner assembly
Pickup assembly
Remove the pickup assembly
Reinstall the pickup assembly
Main motor
Remove the main motor
Reinstall the main-motor drive belt
Pickup solenoid
Remove the pickup solenoid
Engine controller PCA
Remove the engine controller PCA
Reinstall the engine controller PCA
Duplex-reverse solenoid, duplex product
Remove the duplex-reverse solenoid
Main fan, duplex product
Remove the main fan
Reinstall the main fan
Duplex-connector PCA, duplex product
Remove the duplex-connector PCA
Automatic document feeder and scanner components
Document feeder cover
Document feeder pick arm assembly
Remove the document feeder pick arm assembly
Document feeder core assembly
Remove the document feeder core assembly
Post scan pinch rollers
Remove the post scan pinch rollers
Document feeder base assembly
Remove the document feeder base assembly

2) PARTS AND DIAGRAMS: HP LaserJet Pro M201/M202 Printer series
Order parts by authorized service providers
Order replacement parts
Related documentation
Supplies part numbers
Customer self repair parts
Service parts
Whole-unit replacement part numbers
How to use the parts lists and diagrams
Covers
Duplex product
Simplex product
Internal assemblies
Internal assemblies (1 of 3)
Internal assemblies (2 of 3)
Internal assemblies (3 of 3)
Alphabetical parts list
Numerical parts list

3) PARTS AND DIAGRAMS: HP LaserJet Pro MFP M225/M226 series
Order parts by authorized service providers
Order replacement parts
Related documentation
Supplies part numbers
Customer self repair parts
Service parts
Whole-unit replacement part numbers
How to use the parts lists and diagrams
Covers
Internal assemblies
Internal assemblies (1 of 3)
Internal assemblies (2 of 3)
Internal assemblies (3 of 3)
Scanner and document feeder (ADF)
Scanner and document feeder (ADF) main assemblies
Document feeder internal components
Scanner assembly internal components
Scanner assembly internal components (1 of 2)
Scanner assembly internal components (2 of 2)
Alphabetical parts list
Numerical parts list

INDEX

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Content for TROUBLESHOOTING MANUAL:
1) THEORY OF OPERATION
Basic operation
Major product systems
Product block diagram
Sequence of operation
Normal sequence of operation
Formatter-control system
Sleep mode
Input/output
CPU
Memory
Firmware
Memory use
PJL overview
PML
LEDM overview
ACL overview
Control panel
USB flash drive
Engine-control system
DC controller operations
Motors, fans, clutches, solenoids, switches, and sensors
Fuser-control circuit
Fuser failure detection
Fuser temperature control
Fuser heater protective function
Pressure roller cleaning
Low-voltage power supply
Overcurrent/overvoltage protection
High-voltage power supply
Laser/scanner system
Laser failure detection
Image-formation system
Electrophotographic process
Image formation process
Latent-image formation stage
Primary charging
Laser beam exposure
Developing stage
Print cartridge
Transfer stage
Fusing stage
Cleaning stage
Pickup, feed, and delivery system
Photo sensors and switches
Multiple-feed prevention
Jam detection
Scanning and image capture system
Scanner power-on sequence of events
Copy or scan sequence of events
Scanner operation
ADF operation
ADF paper path and ADF sensors
ADF jam detection
Fax functions and operation
Computer and network security features
PSTN operation
Receive faxes when you hear fax tones
Distinctive ring function
Fax by using Voice over IP services
The fax subsystem
Fax card in the fax subsystem
Safety isolation
Safety-protection circuitry
Data path
Hook state
Downstream current detection
Hook switch control
Ring detect
Line current control
Billing- (metering-) tone filters
Fax page storage in flash memory
Stored fax pages
Advantages of flash memory storage
USB flash drive

2) SOLVE PROBLEMS
Troubleshooting process
Pre-troubleshooting checklist
Determine the problem source
Troubleshooting flowchart
Power subsystem
Power-on checks
Control-panel checks
Tools for troubleshooting
Individual component diagnostics
Engine diagnostics
Engine-test button
Components tests
Drum rotation functional check
Half self-test functional check
Diagrams
Location of connectors
Plug/jack locations
Locations of major components
General timing charts
General circuit diagrams
Advanced configuration with HP Embedded Web Server (EWS) and HP Device Toolbox (Windows)
Internal print-quality test pages
Cleaning page
Configuration page
Print-quality troubleshooting tools
Repetitive defect ruler
Control panel menus
Print product reports and menu maps
Tools for troubleshooting: Control panel menus
Setup menu
Function-specific menus (MFP products only)
Interpret control panel messages
Control panel message types
Control panel messages
Event-log messages
Print the event log
Show an event log
Event log messages
Improve print quality, print-only products
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 (OS X)
Check the toner-cartridge status
Print a cleaning page
Visually inspect the toner cartridge for damage
Check paper and the printing environment
Step one: Use paper that meets HP specifications
Step two: Check the environment
Check other print job settings
Check the EconoMode settings
Try a different print driver
Improve print quality, MFP products
Improve print quality
Print from a different software program
Set the paper-type setting for the print job
Check the paper-type setting (Windows)
Check the paper type setting (OS X)
Check the toner-cartridge status
Clean the product
Print a cleaning page
Check the scanner glass for dirt and smudges
Inspect the toner cartridge for damage
Check the paper and printing environment
Use paper that meets HP specifications
Check the product environment
Check other print job settings
Check the EconoMode settings
Try a different print driver
Improve copy and scan quality
Check the scanner glass for dirt and smudges
Check the paper settings
Optimize for text or pictures
Edge-to-edge copying
Clean the pickup rollers and separation pad in the document feeder
Improve fax image quality
Check the scanner glass for dirt or smudges
Check the send-fax resolution setting
Check the lightness/darkness setting
Check the Error Correction setting
Check the Fit-to-Page setting
Clean the pickup rollers and separation pad in the document feeder
Send to a different fax machine
Check the sender’s fax machine
Solve Paper Jam or feed problems
Product does not pick up paper or misfeeds
The product does not pick up paper
The product picks up multiple sheets of paper
The document feeder jams, skews, or picks up multiple sheets of paper
Clean the pickup rollers and separation pad in the document feeder
Clear jams (print-only products)
Jam locations
Experiencing frequent or recurring paper jams?
Clear jams in the toner-cartridge area
Clear jams in the output bin
Clear jams in the duplexer (dw models only)
Clear jams (MFP products)
Jam locations
Experiencing frequent or recurring paper jams?
Clear jams in the document feeder
Clear jams in the toner-cartridge area
Clear jams in the output bin
Clear jams in the duplexer
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 direct-connect problems
Solve wired 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 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
Perform a wireless network diagnostic test
Reduce interference on a wireless network
Service mode functions, print-only products
Restore the factory-set defaults
Service mode functions, MFP products
Restore the factory-set defaults
Solve fax problems
Check the hardware setup
Faxes are sending slowly
Fax quality is poor
Fax cuts off or prints on two pages
Product updates
Update the firmware
Method one: Update the firmware using the control panel
Method two: Update the firmware using the Firmware Update Utility

Appendix A: Specifications
Physical specifications
Power consumption
Acoustic specifications
Environmental specifications
Certificate of Volatility

INDEX

HP LJ LaserJet Pro M201 M202 M225 M226