Xerox XC 830 Copier will not complete POST

I have a client who called me in to look at his Xerox XC830 copier. When you turn the Machine ON, it starts spinning the internal feeding gears FOREVER, and that is all it does. Although the panel buttons seem to work fine (you can change the precentage of Zoom, select the nmber of copies...), but that is all - the internal motor still continues to spin forever, until you turn the machine OFF.

I believe that most copiers go through a Power On Self Test - well if this is what it is doing, for some reason it is not completing - it just keeps spinning the motor. Pressing "Start" does nothing.

Any suggestions?
HammettGAsked:
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HammettGConnect With a Mentor Author Commented:
I found, after leaving the copier on for 2 full minutes that it finally turned off it's motor. It then copied flawlessly. After turning the machine on and off several times, I noticed it would spin for either exactly one minute or two minutes, and then operate fine. After several on/off cycles, the motor would run for two minutes and then stop with an error - the Toner light would be a solid RED, and nothing would operate. After leaving the copier off for an hour, when I turned it on, the motor would again run for one minute, stop, and the copier operates fine. Since the client just replaced the toner last year, and it hasn't had that much use, and it's copies are flawless, I'm guessing there must be some kind of toner sensor circuit that may be compromised in some fashion. However, since I have had no further response to this question, I am going to consider it finished and close it.
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Rodney BarnhardtServer AdministratorCommented:
Sounds like the motor control board is bad. The problem with Xerox, is the way they do their parts. If you are not an "authorized repair company" you cannot effectively buy parts. I used to have a lot of Xerox printer and had to call service 70% of the time because that was the only way to get parts.
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HammettGAuthor Commented:
Hello rbarnhardt:

You mention the motor control board maybe bad. Is it possible there is some paper path switch that has malfunctioned - or is stuck ON - as if there is paper in the path, and therfore the motor keeps running? I would hate to order a part if there is really nothing wrong but a stuck switch.
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HammettGAuthor Commented:
I have solved the problem myself.
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