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  1. #1
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    aficio 1075 copy black

    Hello friends, I need a help from you I have a Ricoh 1075 black copies with particularly in the middle of the sheet, it is so black that gets stuck in the merger, I look forward to any suggestion in.

  2. #2
    Senior Technician 250+ Posts stephend's Avatar
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    Check your corona.
    1. Rplc first corona wire & grid.
    2.check & replace the power pack for corona

  3. #3
    Service Manager 250+ Posts bonnie750's Avatar
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    Inspect the charge assembly.swap the charge assembly with a known good unit. if the fault is cured then dismantle and clean thoroughly. if the prolem is still apparent replace the blocks which will have become ionised.

  4. #4
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    I will inspect the unit the corona back to report the result, now I appreciate the help

  5. #5
    unTrusted Tech 250+ Posts imaginemoko's Avatar
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    this problem usuallay happen when the corona cleaner stack somewhere the corona unit... as you mention it is black... if its acrhing.... replace the corora blocks... good luck...
    fix the customer first then fix the machine... its simple and makes life more easy.

  6. #6
    FORMER Techie 1,000+ Posts tcs04's Avatar
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    Quote Originally Posted by tecnoacre View Post
    Hello friends, I need a help from you I have a Ricoh 1075 black copies with particularly in the middle of the sheet, it is so black that gets stuck in the merger, I look forward to any suggestion in.
    Remove the dev unit and wipe across the mag roller. Is there a hard coating of toner in the centre of the roller? If yes, scrub the coating using developer as an abrasive and retest.

  7. #7
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    I am grateful to friends for helping the problem was a charge corona. thanks again

    tecnoacre

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