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  1. #1
    Senior Tech 250+ Posts
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    Black streak running through prints

    So we are getting this long line appear in our prints.
    Now we've changed the developer unit. The IBT belt cleaning blade. Cleaned the lens.
    Only thing is the black drum but it just started appearing after we put in the black developer unit.
    Any suggestions?
    Thanks
    G

    Sent from my SM-G955F using Tapatalk

  2. #2
    Service Manager 10,000+ Posts
    Black streak running through prints

    Phil B.'s Avatar
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    Re: Black streak running through prints

    Quote Originally Posted by positiveg View Post
    So we are getting this long line appear in our prints.
    Now we've changed the developer unit. The IBT belt cleaning blade. Cleaned the lens.
    Only thing is the black drum but it just started appearing after we put in the black developer unit.
    Any suggestions?
    Thanks
    G

    Sent from my SM-G955F using Tapatalk

    what MODEL? it looks like cleaning blade on the ITB

  3. #3
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    Re: Black streak running through prints

    We installed a new one while printer was acting up.
    I'll look at it I just took back out the developer unit and out it back in. And I also have another blade and I'll let te technician put that in. Unit is a 454
    Thanks

    Sent from my SM-G955F using Tapatalk

  4. #4
    Service Manager 10,000+ Posts
    Black streak running through prints

    Phil B.'s Avatar
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    Re: Black streak running through prints

    Quote Originally Posted by positiveg View Post
    We installed a new one while printer was acting up.
    I'll look at it I just took back out the developer unit and out it back in. And I also have another blade and I'll let te technician put that in. Unit is a 454
    Thanks

    Sent from my SM-G955F using Tapatalk

    aren't you a tech?

    looks like the same defect on the paper... did you init the dev unit?

    was it a new dev unit or a pull?

    looks like a dev unit problem now with the pics.

  5. #5
    Service Manager 1,000+ Posts
    Black streak running through prints

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    Re: Black streak running through prints

    Thinking it's the charge roller in the drum unit (based on the pattern). May have gotten some developer on it when you replaced the dev. unit.
    If you roll up your piece of paper and line up the defects you can narrow it down to certain size rollers.
    With the frequent repetition of the marks, i would assume either charge roller in drum unit got contaminated, or maybe a bad spot on the Mag. roller in the dev. unit, or bad seals in that unit.
    May be able to clean the charge roller instead of replacing drum unit.
    Omertà

  6. #6
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    Re: Black streak running through prints

    Quote Originally Posted by Phil B. View Post
    aren't you a tech?

    looks like the same defect on the paper... did you init the dev unit?

    was it a new dev unit or a pull?

    looks like a dev unit problem now with the pics.
    Not a tech that why said will let the Teck check the blade. The dev unit is brand new.
    Somwknw told me get genuine parts which have done so. But it's just after the unit was installed getting thar line down the paper

    Sent from my SM-G955F using Tapatalk

  7. #7
    Service Manager 10,000+ Posts
    Black streak running through prints

    Phil B.'s Avatar
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    Re: Black streak running through prints

    Quote Originally Posted by positiveg View Post
    Not a tech that why said will let the Teck check the blade. The dev unit is brand new.
    Somwknw told me get genuine parts which have done so. But it's just after the unit was installed getting thar line down the paper

    Sent from my SM-G955F using Tapatalk

    did you init the dev unit

  8. #8
    Service Manager 5,000+ Posts tsbservice's Avatar
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    Re: Black streak running through prints

    454(without C) and it prints in color
    I'm speechless

    Just in case it is color unit
    - remove K and one of CMY drums
    - swap the chips between both drums
    - do some tests
    A tree is known by its fruit, a man by his deeds. A good deed is never lost, he who sows courtesy, reaps friendship, and he who plants kindness gathers love.

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  9. #9
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    Re: Black streak running through prints

    Quote Originally Posted by tsbservice View Post
    454(without C) and it prints in color
    I'm speechless

    Just in case it is color unit
    - remove K and one of CMY drums
    - swap the chips between both drums
    - do some tests
    Sorry it's the C454 lol come on I'm not that crazy

  10. #10
    Service Manager 10,000+ Posts
    Black streak running through prints

    Phil B.'s Avatar
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    Re: Black streak running through prints

    Quote Originally Posted by positiveg View Post
    Sorry it's the C454 lol come on I'm not that crazy
    well it WOULD help if you described the problem and machine fully

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