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  1. #1
    Senior Member
    Join Date
    Sep 2007
    Posts
    115
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    Minolta bizhub 250 display c25557(ATDC)

    my custumer machine got c25557 on display.i have change value at the ATDc gain until the hightest setting (255) and run F8 but problem still same.i just replaced developer tank with new ATDC sensor but nothing changed.refer to minolta service manual it recommend to replaced pwb A after replaced dev sensor and powder.Now i like to order PWB A but still looking for board part number.any body have the part number or any suggestion to deal with this problem.your feed back is very appreciated.thanks.

  2. #2
    Junior Member
    Join Date
    Jul 2010
    Posts
    8
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    bh 250

    hi
    did the drum new?
    if the drum surfece have a circle of a scrach in one of the sides

  3. #3
    Senior Member
    Join Date
    Sep 2007
    Posts
    115
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    thanks.after replace new developer powder and drum unit problem gone

  4. #4
    Junior Member
    Join Date
    Dec 2016
    Posts
    2
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    I ask for help c2557 Bizhub250

    I have the same error and the new drum has rather the layer in the form of a circle of a strangulation on one side.
    I ask for help

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