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  1. #1
    Senior Tech 100+ Posts jrf's Avatar
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    C253 background_help please

    C253_Scan.pdfThis C253 started banding and then produced complete background, I have attached a sample. I have changed image units, black print unit, hv board and PWB assembly but still no luck. I would appreciate any help.
    Thank you

  2. #2
    Senior Tech 250+ Posts
    C253 background_help please


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    Curious that a test print out the machine or copy ?

  3. #3
    Senior Tech 100+ Posts jrf's Avatar
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    This is a test print fishleg

  4. #4
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    what happens when you do a gradation adlustment ?

  5. #5
    Tecnico 250+ Posts acusso1234's Avatar
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    Did you tried a inizialization and a complete calibration?
    ... In the minute that you're thinking of giving up, think about why you lasted so long ...

  6. #6
    Senior Tech 100+ Posts jrf's Avatar
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    can not complete gradiation because it gives a test pattern scanning error

  7. #7
    Field Supervisor 500+ Posts Zeldaman's Avatar
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    Hi there!
    I think acusso is right. Your sample looks like the older color-bizhubs when there was made a mistake in the installation-procedure.
    try to make a complete set-up all after the installationmanual.
    Greetings....

  8. #8
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    I've seen this before, experienced it on a Bizhub C353.
    Try change the Printer Control Board. If my memory isn't playing me a trick I had some success with that one.

    Best of luck!

    After careful re-thinking... My memory was playing a trick on me.
    Soz!
    Last edited by Mercutio Norway; 03-22-2011 at 02:06 PM.

  9. #9
    Senior Tech 100+ Posts jrf's Avatar
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    Ya waiting on boards now, ill let you know the solution as soon as i sort it.
    Thanks for help

  10. #10
    Senior Tech 100+ Posts jrf's Avatar
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    Just to update you on this one, The MFPB board was the cause of problem,
    Thanks for all your help

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