LaserJet 1100 printer
Service Manual

LaserJet 1100 printer <br>Service Manual
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LaserJet 1100 printer Service Manual

This manual contains the necessary information to service the HP LaserJet 1100 Series printer.


1 Printer Specifications
Contains printer features and product overview, printer specifications, and required safety
and compliance statements

2 Product Operation
Contains descriptions of the Control Panel, printer key functionality, scanner Control Panel,
paper handling, toner cartridge, and warranty statement

3 Functional Overview
Contains details about basic functions, printer functions, Engine Control Unit (ECU) and
power system, formatter system, image formation system, printer paper feed system,
optional document scanner system, and basic sequence of operation

4 Removal and Replacement
Contains step-by-step procedures for replacing field replaceable units (FRUs) in the printer

5 Troubleshooting/Maintenance
Contains details basic troubleshooting steps, fatal errors and accessory errors, image
formation troubleshooting steps, solving image quality problems, cleaning procedures,
functional checks, ServiceMode functions, and troubleshooting tools

6 Parts and diagrams
Contains exploded view drawings and part number listings for all replaceable parts in the
printer. Contains two replaceable parts tables: one sorted alphabetically by part name and one
sorted numerically by part number. Both tables are cross referenced to the diagrams in the

Contains an alphabetical, cross referenced listing of information found in the main body of
the manual.


1 Printer Specifications
Printer description
Hardware description
Firmware description
FCC compliance
Environmental Product Stewardship Program
Protecting the Environment
Material safety data sheet
Additional product stewardship
Environmental conformity
Regulatory statements
Laser safety statement
Canadian DOC regulations
Korean EMI statement
Laser statement for Finland

2 Product Operation
HP LaserJet 1100 Printer control panel
Printer key functionality
Scanner control panel
Printer paper handling
Toner cartridge information
Warranty statement

3 Functional Overview
Basic functions
Printer functions
Engine Control Unit (ECU)/power system
Printer engine control system
Power system on ECU
Formatter system
Control panel
Draft mode
Memory Enhancement technology (MEt)
Enhanced I/O
Page Protect
PJL Overview
Image formation system
Toner cartridge
Printer paper feed system
Paper jam detection
Solenoid, photosensors, and switches
Document scanner system (optional)
Basic sequence of operation (formatter to printer)

4 Removal and Replacement
Removal and replacement strategy
Required tools
External assemblies and covers
Paper guides removal
Document scanner removal
Document scanner opening
Contact image sensor removal
Printer door removal
Pod removal
Back cover removal
Internal paper guide removal
Front cover removal
Stabilizer bars removal
Printer laser/scanner cover removal
Internal assemblies
Scanner assembly removal
Output roller removal
Delivery assembly removal
Paper exit sensor flag removal
Fusing element removal
Fusing element removal
Gear train motor and solenoid removal
Solenoid removal
Pressure roller removal
Transfer roller removal
Pickup roller removal
Paper pick-up assembly removal
Kick plate removal
Separation pad removal
Bottom assemblies
Formatter pan removal
Document scanner cable removal
Hinge mechanism removal
ECU pan removal
Paper feed assembly removal

5 Troubleshooting/Maintenance
Basic troubleshooting
Fatal errors/accessory errors
Image formation troubleshooting
Checking the toner cartridge
Solving image quality problems
Solving paper feed problems
Cleaning procedures
Cleaning the toner cartridge area
Cleaning the printer paper path
Cleaning the pickup roller
Cleaning the scanner
Functional checks
Engine test
Self test page
Half-self test functional check
Drum rotation functional check
Heating element check
High-voltage power supply check
Paper curl
Paper path check
ServiceMode functions (PJL Software Commands)
Troubleshooting tools
Printer paper path
Document paper path
Repetitive image defect ruler
Main wiring

6 Parts and diagrams
How to use the parts lists and diagrams
Parts and supplies
Ordering Information
Consumables and accessories
Ordering consumables
Common hardware
External covers and panels
Document scanner parts
Internal components
Feeder assembly
Engine controller assembly
Formatter pan
Parts list sorted by part number
Parts list sorted by part name

FORMAT: High resolution PDF document!
ZIP archive: 3 875 kB

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

  made budiarta 2011-10-26 20:43:09  
  thanks for the program RESET KEYs for the WIC - Waste Ink Counter reset utility. my printer work now.
  Paul Robinson 2010-10-21 01:01:22  
  Fantastic, does exactly as it says, brought my r285 back from the dead, will recommend to anyone.thanks
  Josh Preston 2020-01-19 16:48:29  
  reset ink pads on Epson xp 720 in a few minutes, wonderful
  patrizia rota 2010-12-01 17:10:22  
  I bought today the RESET KEY and I used it. My printer resuscitated immediately. Wonderful! I saved money and time! thanks, thanks. Patrizia
  Frank Topping 2011-02-24 20:39:33  
  I'm not going to lie I was very dubious, but the proof is in the pudding it does work and I'm a happy bunny. My printer is the Epson Photo PX810FW one of the newer models so feel confident in using this system.
  irin faranti 2010-07-13 06:00:31  
  I have just bought an Epson printer TX111, only a month I have used it, the sensor scanner in the main board has broken, please tell me how to repair it bcoz I can\'t use both the printer n the scanner. And show me which one the sensor scanner, I just knew it from the service manual. Thank you for full manual!
  Matt Sparks 2019-07-01 22:27:51  
  This tool is badly wrtten, after downgrading using the wrong firmareware version I was unable to purchase another key as it thought it was a duplicate order, tried online help waited a hour and gave up, in total I have wasted £40 on a CISS system thats not reconized by the printer, and £20 on the WIC tool that although was my fault, I can remedy because I can't puchase another key
  Leon Potgieter 2004-06-18 10:42:40  
  Paid for Epson Stylus Color 900 service program and afterwards tried to download program from link. Link would only download a HTML file, and not an executable. Left a message from 2manuals to assist me. This is too damn difficult. Why can the link not just download the executable? ============= Just checked - it works fine. Maybe there were server problem at that moment. You have been sent direct link. John.
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