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!

  radhouani hatem 2012-11-14 03:17:36  
  hi i want to get reset key for epson sx235w i haven\'t a cdredit card tell me wat can i do? please call me at hradhouani@ymail.com thank you ======== Admin =========== Hello! You can pay by Western Union or Moneybookers.
  Billy Binns 2010-10-10 17:03:27  
  Great product, once I had the key the problem was sorted in less than 5 minutes Thank you, Billy @ PISIFI
  an lyquoc 2007-08-17 22:13:51  
  Thank you! I paid less for my Epson R320 1 year ago than Epson want for servicing it. I had printed a head a nozzle check 2 days ago when I put in a new cartrige all printouts were perfect but today my Printer told me it needed service and refused to work. Your fix showed me two things the Ink wells did not need flushing as stated by the Epson Tech and that my printer had been set to only run half the usual plates so that was why the service notice cam up so soon after I purchased it.
  Jens Klapp 2011-04-06 22:57:41  
  Hallo, thank you very much. Oder in Deutsch: Herzlichen Dank. It worked fine. No problems MfG Jens Klapp
  prakashmm gowda 2013-04-27 09:26:02  
  Great utility i reseted my epson me office 620f within 5 minits in bangalore great utility
  santiago carlos 2004-06-26 18:59:49  
  Printer is now fixed and working fine. Thank you very much for your help. (I have already \"recommended \" your site to a friend who was having a problem with his printer. Further if (when) I have a problem with any of my other printers, (Canon S600 and Cannon i560), if a manual is needed, I will revisit.
  Margaret Scheperle 2013-01-04 01:13:05  
  Sure wish your live support was online. I could understand it being down on New Year's Eve, but not today. I sent an email to this effect also, but no reply. The reset key worked, thanks. For just half a day, however. Not what I expected for $9.99. Please advise.
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