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Printer and Photocopier Troubleshooting and Repair Collection : Laser Printer info                      
 Copyright © 1994-2007, Samuel M. Goldwasser. All Rights Reserved. Reproduction of this document in whole or in part is permitted if both of the following conditions are satisfied: 1. This notice is included in its entirety at the beginning. 2. There is no charge except to cover the costs of copying. I may be contacted via the Sci.Electronics.Repair FAQ (www.repairfaq.org) Email Links Page.
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Laser Printer info

"Is there any info available on the net on how Laser Printers work, & how to fix them? I've worked on a few, & am learning the hard way, but could use all the help I can get."

(From: Robert Blackshaw (blckshaw@clark.net).)

Lotsa luck! I have an HP LaserJet 500+, an Apple Lasewriter Plus, and a Xante AcceleWriter which were DOA and which all now see active duty. The only piece of information that I have that is very useful is the HP Printer Service Manual P/N 02686-90920 that I got AFTER solving the LaserWriter Plus' problems.

I went through Border's Books and other computer book shops looking for anything covering laser printer internals with no luck at all. It's your brain and logic, and luck.

One thing that will cause you grief on the older CX engine based printers are those *insulation displacement* connectors they used. Occasional no contact problems are usually solved by pressing the wires into the plug.