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Printer and Photocopier Troubleshooting and Repair Collection : Gray tinge on Xerox 5260 Copier
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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"Earlier this year, I inherited a Xerox 5260 personal copier. It works
well except all the copies have a grey tinge to them, even when the
auto-exposure control is set to light. The grey background is visible
over all the page, and gets noticably darker when the auto-exposure
control is set to dark. Is it time to replace the copy cartridge?"
(From: Lionel Wagner (ck508@FreeNet.Carleton.CA).)
Your toner/developer wheel bias voltage may be wrong. When light
strikes the photosensitive drum it does not completely discharge it.
The toner/developer bias voltage must precisely match the residual
charge or grey background will result.