Question about Ricoh Aficio 250 Copier

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Copies & Faxes come out solid black

First the faxes started having wide stripes. Then they print solid black (full page). Then the copies started doing the same. For awhile, I was getting an SC306 error. I cleaned what I could (vacuumed) and replaced the Photoconductor Unit (PCU). I thought that fixed it, but the problem returned after just a few copies.

Posted by Anonymous on

  • Anonymous Aug 21, 2007

    Based on some other information, I've ordered what I think is the "Charge Roller Home Position" sensor. I'll have it tomorrow, will install it, and will report my success or failure. Then, if that didn't work, I'll try bprimm's suggestion.

  • Anonymous Aug 22, 2007

    After much troubleshooting, I believe I found the problem. With the Error SC306 being reported, I had purchased a service manual. That error said...

    The charge roller home position sensor does not detect the on condition.
    - Possible causes -
    o Charge roller home position sensor defective
    o Charge roller contact clutch defective

    So, I finally found the sensor and got the information from it. The item replacement part number (by Sharp) is GP1A073LCS, and the item can be purchase for < $2 at www.digikey.com. I purchased one and installed it, and things seem to work now.

    Bprimm, thanks for all your help!

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Sounds like a charge problem, check the clutch that moves the charge roller to contact the drum. The clutch is on the back of the machine. Brad

Posted on Aug 19, 2007

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