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  1. #21
    Service Manager 1,000+ Posts tsbservice's Avatar
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    Re: Konica Minolta Bizhub 227 paper jam before fuser

    Double check that transfer roller is driven. Simple test, make some mark on it and see if mark is moving.
    A tree is known by its fruit, a man by his deeds. A good deed is never lost, he who sows courtesy, reaps friendship, and he who plants kindness gathers love.

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  2. #22
    RTFM!! 2,500+ Posts allan's Avatar
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    Re: Konica Minolta Bizhub 227 paper jam before fuser

    Quote Originally Posted by Khumz View Post
    I m working on it again tomorrow morning. Yes i can see I m missing something simple. I have to figured out why it does not jam when i remove the second image transfer roller. Again before it started jamming paper it could copy but there was some uncomfortable noise when copying. But now i do not here that noise anymore which makes suspect that maybe the drum unit is not running.
    Tend to agree with you, as far as i can remember without looking at one the gear that drives the transfer roller in on the drum flange.
    So very possible that your drum is not turning.
    Whatever

  3. #23
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    Re: Konica Minolta Bizhub 227 paper jam before fuser

    I will check the drum if its turning but when i look at Drive Motor1 its spinning. Something i did passively was turn motor 1 with my hand and to my surprise it was so stiff at first then at some point it turns smooth and free.

  4. #24
    Service Technician 250+ Posts femaster's Avatar
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    Re: Konica Minolta Bizhub 227 paper jam before fuser

    According to what I'm seeing, it is M3 that you need to spin to test the drum movement. Spin it by hand and see if the drum turns.

    Drum Drive.jpg
    [1] Main motor (M3) [2] Photo conductor drive gear
    [3] Photo conductor [4] Developing section
    Ricoh Service Tech for 7 year, now a Konica Minolta Service Tech for the last 6 years.
    My Ricoh knowledge is slowly dwindling away at this point. Many things have been lost to time...

  5. #25
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    Re: Konica Minolta Bizhub 227 paper jam before fuser

    I wonder if these motors are serviceable......

  6. #26
    RTFM!! 2,500+ Posts allan's Avatar
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    Re: Konica Minolta Bizhub 227 paper jam before fuser

    Quote Originally Posted by Khumz View Post
    I wonder if these motors are serviceable......

    Not really. Had one that i fixed by changing one of the coil driver FET chips out.
    But they are real tough so will not blame the motor first, and they will produce an error code if they return a lock signal.
    Whatever

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