LaserJet 4100 Printer
Service Manual

LaserJet 4100 Printer <br> Service Manual
   Click to enlarge

LaserJet 4100 Printer Service Manual

This manual contains the necessary information to service the LaserJet 4100 Printer


1 Product information
Printer features
Product compatibility matrix
Model and serial numbers
Site requirements
Installation requirements
Environmental requirements
Print media specifications
Supported types of print media
Types of print media to avoid
Weight equivalence table
Adhesive labels
Overhead transparencies
Card stock and heavy paper
Safety information
Toner safety
Laser safety
Regulatory information

2 Service approach
Service approach
Parts and supplies
Ordering information
Printer documentation
HP direct ordering for genuine HP parts
Exchange program
World Wide Web
HP service parts information compact disc
HP support assistant compact disc
Toner cartridge information
Warranty statement
Printer warranty
Limited warranty for toner cartridge life

3 Printer operation
Using the control panel
Control panel layout
Control panel lights
Control panel keys
Settings and defaults
Control panel menus
Quick copy jobs menu
Private/stored jobs menu
Information menu
Paper-handling menu
Printing menu
Print quality menu
Configuration menu
I/O menu
EIO menu (networked printers)
Resets menu
Service mode
Service menu
Page count
Maintenance count
Maintenance interval
Serial number
Cold reset paper
Clear event log
Top margin
Tray 1 left margin
Trays 2 and 3 left margin
Testing the printer
Engine test
Resetting the printer
Cold reset
Clearing NVRAM
Initialization of NVRAM
Initialization of the hard disk
System configuration
MS-DOS system configuration
Parallel DOS commands

4 Printer maintenance
Cleaning the printer and accessories
Using the printer cleaning page
Using the auto-cleaning page
Cleaning spilled toner
Performing printer maintenance
Reset maintenance count
Expected life of components

5 Theory of operation
Power supply system
AC/DC power distribution
Overcurrent/overvoltage protection
Fuser over-temperature protection
High-voltage power distribution
Toner-cartridge detection
Cartridge memory
Engine controller system
Engine controller board inputs and outputs
Laser/scanner drive
Paper-motion monitoring and control
Solenoids, sensors, clutches, and switches
Engine test print
Formatter system
Resolution Enhancement technology
Printer memory
DIMM slots
PJL overview
Control panel
Image formation system
Toner cartridge
Photosensitive drum
Writing the image
Developing the image
Transferring the image
Image fusing/variable fusing temperature
Paper feed system
Clutches and sensors
Printing from tray
Printing from tray
Printing from the optional 500-sheet tray
Envelope feeder
Other controls
Environmental detection
Basic sequence of operation

6 Removing and replacing parts
Removal and replacement strategy
Required tools
Other helpful tools
Removing covers
Rear right side cover
Control panel
Top cover
Left side cover
Front right side cover
Rear cover/rear output bin
Tray 1
Removing internal assemblies
Firmware DIMM
Formatter assembly
Output delivery assembly
Cartridge memory
Main motor
Transfer roller
Tray 1 pickup roller
Tray 1 pickup assembly
Right side toner cartridge guide
Registration assembly
Paper feed assembly
Printer drive assembly (gear train)
Delivery drive assembly
Separating the engine module from the paper-feed module
Engine controller board
Paper-feed guide assembly
Removing tray assemblies
Paper-feed rollers for trays 2, 3, and 4
Separation rollers for trays 2, 3, and 4
Tray 2 paper-feed module disassembly
Tray 3 and 4 paper-feed module disassembly

7 Troubleshooting
Troubleshooting process
Troubleshooting flowchart
Troubleshooting flowchart (continued)
Troubleshooting the printing system
Preliminary operating checks
Power on
Engine test
Event log
Printer messages
General paper-path troubleshooting
Information pages
Image quality
Image system troubleshooting
Reference diagrams
Locations of components
Paper path
Engine controller board
Paper-size detection switches
Motors and fans
Sensors, switches, and thermistors
Solenoids and clutch

8 Parts and diagrams
How to use the parts lists and diagrams
Accessories and supplies
Common screws and replacement cables
Illustrations and parts lists
Alphabetical parts list
Numerical parts list

FORMAT: Scanned Copy
ZIP archive: 57 680 kB

I want to:

Any questions about this product?

SEND US REQUEST by filling the form below.

Step 1
Step 2
Select payment method.
Step 3
Confirm the order.

We are in business since 2002 and do our best to give our customers perfect service!

  Roger A Witting 2005-03-16 10:54:28  
  With the help of your customer service department I was able to download the manual and it is everything you said it would be, I withdraw my prior review and award you a Great Rating. Thanks
  Zoran Zdravkovic 2012-10-17 18:45:42  
  Ja sam prezadovoljan, kupoprodaja je uspesno zavrsena a stampac Epson Stylus Photo P50 je odmah po resetovanju proradio.Ovo prvi put radim ali svakom preporucujem saradnju sa ovom firmom, zaista su korektni.
  B M Tolar 2017-01-16 20:27:26  
  You guys are amazing! Thank you for providing this service. You\'ll save us thousands of dollars over the years.
  Sara Carmona 2020-03-25 16:28:17  
  My printer Epson has encountered problem with ink pad waste and use wic tools and it works with the simplest step by step instructions. thank you.Trusted and recommended
  andre luiz lobo 2008-07-21 01:36:16  
  muito bom preciso do rezeter da epson so assim posso resouver meu problema
Write review