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  1. #1
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    Xerox Color 550 DC250 Soft deletion on Black only

    Hoping someone can offer a suggestion for this problem. I have a white band that runs on black only down the page.
    Here are the things i've tried:

    -Replaced developer/developer housing
    -Replaced black drum/charge corotron
    -Cleaned ROS (easy method by going from under with a clean cloth -added contaminants but line did not improve)
    -Replaced belt
    -Recently replaced 2nd BTR

    Sort of running out of options at this point....
    20200102_113646.jpg

  2. #2
    Senior Tech 250+ Posts
    Xerox Color 550 DC250 Soft deletion on Black only


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    Re: Xerox Color 550 DC250 Soft deletion on Black only

    The 1st BTR might cause it, but I doubt it. More likely you need to clean the ROS from the inside.

  3. #3
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    Re: Xerox Color 550 DC250 Soft deletion on Black only

    Will try to clean ROS, i tried replacing the entire belt assembly with one from another machine and did not work.

    Thank you

  4. #4
    Service Manager 10,000+ Posts
    Xerox Color 550 DC250 Soft deletion on Black only

    Phil B.'s Avatar
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    Re: Xerox Color 550 DC250 Soft deletion on Black only

    are these prints or copies?

  5. #5
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    Re: Xerox Color 550 DC250 Soft deletion on Black only

    The pictures are from copies, but it has them on prints too

  6. #6
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    Re: Xerox Color 550 DC250 Soft deletion on Black only

    Cleaning the ROS window fixed the issue.... I cleaned inside where the laser unit was, but i don't think it was necessary.

  7. #7
    Senior Tech 250+ Posts
    Xerox Color 550 DC250 Soft deletion on Black only


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    Re: Xerox Color 550 DC250 Soft deletion on Black only

    Since you mentioned you already cleaned the ROS window I figured contamination could only be on the inside. Glad you fixed it though! Cleaned the ROS from the inside is such a pain...


    Sent from my iPhone using Tapatalk

  8. #8
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    Re: Xerox Color 550 DC250 Soft deletion on Black only

    Quote Originally Posted by calpika View Post
    Hoping someone can offer a suggestion for this problem. I have a white band that runs on black only down the page.
    Here are the things i've tried:

    -Replaced developer/developer housing
    -Replaced black drum/charge corotron
    -Cleaned ROS (easy method by going from under with a clean cloth -added contaminants but line did not improve)
    -Replaced belt
    -Recently replaced 2nd BTR

    Sort of running out of options at this point....
    20200102_113646.jpg
    from above images i doubt CK ross or black developer unit. try changing ross

  9. #9
    Trusted Tech 50+ Posts zagrex's Avatar
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    Re: Xerox Color 550 DC250 Soft deletion on Black only

    Quote Originally Posted by xrxdheeraj View Post
    from above images i doubt CK ross or black developer unit. try changing ross
    Hi you are have problem developer housing
    check dev.hsg (between the blade and the roller)

  10. #10
    Service Manager 10,000+ Posts
    Xerox Color 550 DC250 Soft deletion on Black only

    Phil B.'s Avatar
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    Re: Xerox Color 550 DC250 Soft deletion on Black only

    Quote Originally Posted by xrxdheeraj View Post
    from above images i doubt CK ross or black developer unit. try changing ross


    Me thinks you didn't read ALL posts before you made yours.

    calpika

    Junior Member Join DateMar 2019LocationPasadenaPosts4Post Thanks / Like
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    Re: Xerox Color 550 DC250 Soft deletion on Black only

    Cleaning the ROS window fixed the issue.... I cleaned inside where the laser unit was, but i don't think it was necessary.

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