Question about Sharp AR-M237 Copier

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Sharp AR-M237 Copier

Hello and thank you for taking the time to help me out. We recently replaced a gear on the copier that interfaced with the fuser. Once put back together, everything was fine. During the day though, the print started to go light through out most of the printed pages, (this included both copied and printed pages). It appears to be associated with the drum unit, as I have removed it and cleand the contact points and now there is about a 5-6" portion of print in the center of the page that is light. The print is also somewhat blurry. Is this an issue with the drum after all or is it the corona wire? I haven't worked on too many copiers and this seems consistent with a drum issue. I truely appreciate your help and look forward to hearing a response from you soon...Regards, Brent

Posted by Brent Good on


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Were the main charge runs in the drum unit is pop lose pushing the black housing into the laser light.


Posted on Oct 11, 2007



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You check the optical unit and laser unit glass and cleaning. the next check drum counter process unit counter.

Posted on May 21, 2007


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