Question about Xerox Phaser 8400 Laser Printer

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Part description I found this but can't find the drum encoder. Do you think I should call in a repair person? Thanks so much for your help.

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Yeah. But if you don't have a maintenance contract, call a dealer service department. You can go to and locate a dealer near you. Xerox would cost more than the printer just to show up.

Posted on Jul 22, 2008


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We had similar problem.  There is a tiny little black plastic arm where the paper comes out of the top.  If you're facing the screen, it will be towards the bottom left.  I couldn't find it on the parts list, but it's similar to part 118-9754-00 (Multi-purpose tray paper sensor actuator) from the parts list website:  .  We had broken that part when we moved and thought little of it until we got the hanging initialization.  Check to see that it moves freely and is not broken.  It was a pricey part for what it was, so you might look at a salvaged part.  Hope that's the problem as it is an easy repair!  If that doesn't do it, we had a door that didn't make good contact that also caused similar problem.  Good luck!

Nov 17, 2007 | Tektronix Phaser 780P Laser Printer

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