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Thread: bizhub c280

  1. #1
    Technician
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    bizhub c280

    Need some help
    Have a c280 that pops an error code every so often when copying
    error code c2556.

    Recently installed was a yellow dev unit and iu.

    Plz help.

  2. #2
    Technician
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    Re: bizhub c280

    We have one doing exactly the same, we have changed drum, dev unit, hopper and sub hopper and the small board that controls the toner unit yet still get the error. Only thing left for us to try is the Main Board. We are currently manually toning machine and it works for about 2 weeks.

  3. #3
    Service Manager 5,000+ Posts
    bizhub c280


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    Lightbulb Re: bizhub c280

    This Parts & Service manual can now be purchased for $12.77 and downloaded immediately after payment from:


    Just Manuals, The Internet's largest selection of manuals ~ Instant Downloads


    Paul@justmanuals.com

  4. #4
    Senior Tech 100+ Posts PeterG's Avatar
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    Re: bizhub c280

    Go into service mode- State Confirm.
    What is the Y toner level?

  5. #5
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    Re: bizhub c280

    good call Peter
    State confirm is a great place to get info
    if its 3% then its wanting more toner
    Should be around 6 to 7%


    Service manual says
    Front side relay board (where Dev units plug in )
    PRCB

    drive clutches for toner drive are common (whole unit)
    This is where you can manually tone up ...slowly
    its slow because the clutch is slipping.
    The internal clutches are the same ..so you can swap them over to test (if you feel like it )

    Cheers

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