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Thread: mpc4502

  1. #1
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    mpc4502

    I have a void when I run a copy thru cyan, its a line that looks like it's a drag,I replaced the drum in the unit and cleaned the fuser, Any Ideas in what it can be.

  2. #2
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    Re: mpc4502

    Clean laser shield glass, or look at dev roller.

  3. #3
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    Re: mpc4502

    Yep did that

  4. #4
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    Re: mpc4502

    It is most likely a chunk of hardened developer. Either replace the DV unit, or thoroughly clean it out and put in fresh developer.

  5. #5
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    Re: mpc4502

    heres my problem
    Attached Images Attached Images

  6. #6
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    Re: mpc4502

    Have another really good look, it has to be laser or lump in dev unit.

  7. #7
    Senior Tech. 2,500+ Posts NeoMatrix's Avatar
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    Re: mpc4502

    Bottom section of the sky shot image looks similar to a charge roller shorting out in the PCU.
    With regards to the linear lines, I'm leaning toward dev lumps causing voids.
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  8. #8
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    mpc4502

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    Re: mpc4502

    +1 on Dev. Unit or Shield glass. The bottom part that's faded could just be from overhead lights during skyshot.

  9. #9
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    Re: mpc4502

    New DV drum

  10. #10
    Senior Tech. 2,500+ Posts NeoMatrix's Avatar
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    Re: mpc4502

    I've seen brand new PCU's with dev voids straight from the supplier warehouse.
    Probably the last of that years old PCU stocks sitting around the in warehouse.
    Inauguration to the "AI cancel-culture" fraternity 1997...
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