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!

  shiju vengad 2009-06-11 16:12:14  
  very good sercvice thank
  Epson Scamtank 2022-12-13 17:40:08  
  The trial key is key (pun intended). It unblocked my EcoTank right away through Wi-Fi. Soon I'll have to buy this key. This software DISABLING of the printer should be illegal. It's programmed to actually brick the device. Unbelievable. Talk about planned obsolescence!
  HELIO MUTOVO 2011-04-28 14:53:48  
  AGRADECO MUITO PELA AJUDA PECO QUE VOU SEGUIR AS RECOMENDACOE DADAS
  svenn svenson 2012-03-05 19:14:52  
  THIS IS A MUST HAVE UTILITY This reset key worked perfectly for my Epson Artisan 800. I tried the Epson reset utility (free from Epson) many times. It would "reset" the counter to "40%", then upon turning printer off - on, it would revert to "0%" with the error message that the inkpads had reached their end of life. This also happened whenever I performed a head cleaning. For those of us who use a CIS (I am not affiliated with inkproducts.com - but have been using their CIS for a couple of years and LOVE the quality and service) - it is imperative to be able to reset this waste ink counter. I should also add, the waste ink pad issue is real - don't expect to simply reset the waste ink counter and go happily on your printing way - you will have a disaster and you will experience frequent head clogging. You MUST use an external waste ink disposal system - either make your own for $5 or buy one. THIS + the reset utility is what enables you to get the true value from your CIS-modified printer.
  Jaqueline Rangel 2016-12-13 05:39:42  
  I don't get any reply to my email. Is there a customer service person at the business? My question is: I see that you have the "HP OfficeJet G85 Service Manual and Parts List". How many pages does the manual have? Please answer my question by email, myccma@gmail.com. Thanks in advance.
  Jerome Cañas 2018-07-26 04:46:54  
  HI, pls. send me your email to this email address jeromecuenca1989@gmail.com I purchased 25 keys from your websete but i cant use it because according to your instructions i need to send my id to your email so that you can make a license for my product. Pls. help. Thank you!
  Ruth Mason 2006-09-19 06:57:12  
  It worked fine. It was just that we didn't know where to start with opening the program. I couldn't get it to install so there was an icon that took us into the whole program. I found out that if I clicked on the one icon it opened the one we needed. The service manual will be of great help for later when the ink absorption pad needs changing. Thanks for your prompt attention. Regards, Ruth
  Ferruccio Porta 2012-11-20 20:28:59  
  Il programma con il codice ricevuto funzione benissimo, la stampante si è resettata. Saluti Porta Ferruccio
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