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  1. #11
    Technician
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    Re: Ricoh 2075 Heavy background or Negative Copy

    Quote Originally Posted by Lagonda View Post
    Check the bias contact and the drum earth. If it still has a problem put the old drum back in and see what happens.
    I 'll check it and i will let you know!


  2. #12
    Senior Tech. 2,500+ Posts NeoMatrix's Avatar
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    Re: Ricoh 2075 Heavy background or Negative Copy

    I'm incline to agreed with Lagonda....

    Looks similar to when a staple is stuck to the dev roller/doc blade, or worn bearing/metal shards short out the developer unit bias.


    HTH

    What if we could count the stars... , what number would you stop at...?"
    [Exchange manual acquisitions, PM's CTN members only. ]
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  3. #13
    Service Manager 1,000+ Posts Phil B.'s Avatar
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    Re: Ricoh 2075 Heavy background or Negative Copy

    Quote Originally Posted by scenicmike View Post
    All parts are genuine! Toner and developer. Only the drum is a Katun Performance. And after the problem, the machine is vacuumed and everything is clean.
    I 'm in a dead end!
    get a real drum... katun drums are crap


  4. #14
    Technician
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    Oct 2013
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    istanbul
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    Re: Ricoh 2075 Heavy background or Negative Copy

    Quote Originally Posted by Lagonda View Post
    Check the bias contact and the drum earth. If it still has a problem put the old drum back in and see what happens.
    Check the cables from the adf unit to the back cards. We met. The problem was solved when we changed these cables.


  5. #15
    Senior Tech 250+ Posts Codex's Avatar
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    May 2008
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    Sicily
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    Re: Ricoh 2075 Heavy background or Negative Copy

    check the corona bias...had a similar problem and in my case it was the charge bias

    Memento Audere Semper

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