Color LaserJet 8500, 8550 Printers Family
Service Manual

$9.99
Color LaserJet 8500, 8550 Printers Family <br> Service Manual
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Color LaserJet 8500/8550 Printer Family Service Manual

This manual contains the necessary information to service the Color LaserJet 8500/8550
Printer Family Printers

Contents:

1 Product Information
Introduction
Printer features
Specifications
Site requirements
Media requirements
Identification (model and serial numbers)
Printer Information
Safety information

2 Service approach
Chapter contents
Introduction
Parts and supplies
Ordering
Technical assistance
Warranty

3 Operational overview
Chapter contents
Verifying package contents
Verifying the cables are installed
Connecting the printer to the network
Changing the printer control panel overlay
Printer control panel layout
Menu maps
Selecting the display language
Installing the consumables
Configuring input trays
Verifying the printer is installed correctly
Verifying DIMM installation
Duplex registration (HP Color LaserJet 8550)
Booklet printing
HP TonerGauge (HP Color LaserJet 8550)

4 Printer maintenance
Chapter contents
Cleaning procedures
Printer consumables

5 Theory of operation
Chapter contents
Introduction
Color theory
Image formation
Consumable detection mechanisms
Electrical systems
Mechanical systems
Paper path
Printer timing
EPH controller board
Duplexer
2,000-sheet input unit
Multi-bin mailbox
3,000-sheet stapler/stacker

6 Removal and replacement
Chapter contents
Introduction
Maintenance units
Doors and covers
Top assemblies
Front assemblies
Left assemblies
Right assemblies
Rear assemblies
2,000-sheet input unit
Multi-bin mailbox
3,000-sheet stapler/stacker and 3,000-sheet stacker

7 Troubleshooting
Chapter contents
Pre-troubleshooting checklist
Printer message troubleshooting
Aids to troubleshooting
Paper path troubleshooting
Image formation troubleshooting
Image defects troubleshooting
Color balance adjustment
Repetitive defects troubleshooting
Repetitive defects troubleshooting
2,000-sheet input unit troubleshooting
Multi-bin mailbox troubleshooting
3,000-sheet stapler/stacker troubleshooting
Communications troubleshooting
Diagrams

8 Parts and diagrams
Chapter contents
Overview
Ordering parts
Illustrations and parts lists
Numerical parts list
Alphabetical parts list
Index

FORMAT: High resolution PDF document
ZIP archive: 135 497 kB

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

  shilpa hankare 2006-09-20 00:35:09  
  Great job!! Thank you
  sunil maurya 2020-04-08 12:02:47  
  Thank a lot. THANK to wik reset utility i avoid wasting money in a new printer.
  david miranda 2016-04-07 16:43:28  
  My Epson Stylus R280 is printing again! This was my favorite printer for photos and quick single-sided jobs. It printed and printed until the dreaded message and alternating flashing orange lights appeared.

I was skeptical that WicReset could do anything because of the flashing lights. I downloaded the Windows version (XP), virus scanned it and after it passed, installed it. I first tried the trial reset that sets the waste counters to 90%. That worked immediately. I bought a key. That worked immediately and now my printer is working like new and waste counters are near 0.

I use a continuous ink system (CIS) on my Epson printers... have for years. This software also has a nice utility to charge the cartridges and clean the heads. My R280 printer sat for a while after the counters reached limit and the ink lines filled with air. I used the WicReset utility to charge & clean, and now it prints like new.

This software is easy to use and guides you step by step. I encountered no difficulties and everything worked first time. It is very good that there are smart engineers out there who took the time to reverse-engineer Epson\'s awful ink pad limitations.

One note of caution, and this has nothing to do with WicReset... I print so much and fear my ink pads will truly overflow, so I\'ll be installing a waste ink tank on my printers. I had one on an ancient R200 printer and it worked great. This is an essential accessory for CIS printers.

Thank you WicReset.
  Pierpaolo De Fina 2019-08-14 15:33:44  
  It works perfectly to make Epson XP-55 chip-free and disable ink levels. Many thanks.
  theold fart 2012-08-18 12:01:50  
  Program is easy to use, with the additional manual for reference. It allowed me to correct a corrupted EEPROM in the printer. All the .prn files are missing, so setting up the printer/scanner and the final print check are not possible. If you only want to reset the ink pad counter then there are cheaper/ free program available. Would give it a GOOD rating if missing files were included.
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