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  1. #1
    Junior Member DheerajBE's Avatar
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    Xerox Dc 250/252

    Dear All,
    I have Xerox Dc 250 machines it has a problem of color registration out.
    when I start registration control setup from the maintenance and diagnostics it shows me most of value are NG.
    I have done below diagnostics to solve this error but all failed.

    1. tried changing registration sensor assembly (3 different sensors).
    2. Initializing NVM value.
    3. Re-write all original machines NVM value.
    4. swapped drums and developer units from other working machine.

    Please help.

  2. #2
    Service Manager 1,000+ Posts
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    Re: Xerox Dc 250/252

    Clean ros

  3. #3
    Junior Member DheerajBE's Avatar
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    Re: Xerox Dc 250/252

    Quote Originally Posted by xcopytech View Post
    Clean ros
    I forgot to mention but ros are clean

  4. #4
    Service Manager 1,000+ Posts
    Xerox Dc 250/252

    adriansto's Avatar
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    Re: Xerox Dc 250/252

    Quote Originally Posted by DheerajBE View Post
    I forgot to mention but ros are clean
    Nice, but what about IBT assy ?

  5. #5
    Service Manager 2,500+ Posts
    Xerox Dc 250/252

    Phil B.'s Avatar
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    Re: Xerox Dc 250/252

    Quote Originally Posted by DheerajBE View Post
    Dear All,
    I have Xerox Dc 250 machines it has a problem of color registration out.
    when I start registration control setup from the maintenance and diagnostics it shows me most of value are NG.
    I have done below diagnostics to solve this error but all failed.

    1. tried changing registration sensor assembly (3 different sensors).
    2. Initializing NVM value.
    3. Re-write all original machines NVM value.
    4. swapped drums and developer units from other working machine.

    Please help.
    what error codes are showing in the error list?

  6. #6
    Trusted Tech 50+ Posts
    Xerox Dc 250/252

    SeniorTch's Avatar
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    Re: Xerox Dc 250/252

    try this: remove the left cover, conect tray 5, Run DC675 setup, check the marks on belt Chevrons and parallelograms shape (yellow_black marks)if one of them is NG.check for drums, developer, cleaner blade etc. Ckeck inboard, center and outboard marks.

  7. #7
    Senior Tech 100+ Posts
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    Re: Xerox Dc 250/252

    What about MOB ADC assy?

  8. #8
    Junior Member DheerajBE's Avatar
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    Re: Xerox Dc 250/252

    Quote Originally Posted by Detonation View Post
    What about MOB ADC assy?
    Thank you all,
    It was due to bad drums and developer assembly.
    I had to change drums and adjust toner density in developer unit and run registration setup unless it comes to OK

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