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  1. #1
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    C224 problem after replacing drum

    This is how print looks after replacing the K drum.

    Any idea what's the reason for these stripes?

    Sent from my Moto E (4) Plus using Tapatalk

  2. #2
    Service Manager 1,000+ Posts
    C224 problem after replacing drum


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    Re: C224 problem after replacing drum

    Where the same lines there before replacing drum?

    Did you use a new "Genuine" OEM drum? Still looks like a bad K drum

    Clean laser print heads with wand on front door? And coronas with white rods you pull out and in on each drum unit?

  3. #3
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    Re: C224 problem after replacing drum

    Quote Originally Posted by copyman View Post
    Where the same lines there before replacing drum?

    Did you use a new "Genuine" OEM drum? Still looks like a bad K drum
    Different lines before replacement.

    Genuine drum was put in.



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  4. #4
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    Re: C224 problem after replacing drum

    Really?? Lines go clear to the edge. Transfer belt, fuser. Stop test.

  5. #5
    RTFM!! 2,500+ Posts allan's Avatar
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    Re: C224 problem after replacing drum

    Swap it out with the yellow drum just change the chips over. If the corner of the chip breaks out its still ok just glue it back.
    More likely to be a dev/toner buildup on the dev tank.
    Had faulty new drums before but very rare.

    Remove and inspect the dev tank.
    Whatever

  6. #6
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    Re: C224 problem after replacing drum

    Quote Originally Posted by allan View Post
    Swap it out with the yellow drum just change the chips over. If the corner of the chip breaks out its still ok just glue it back.
    More likely to be a dev/toner buildup on the dev tank.
    Had faulty new drums before but very rare.

    Remove and inspect the dev tank.
    Thanks, that was my doubt as well. Dev.

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  7. #7
    RTFM!! 2,500+ Posts allan's Avatar
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    Re: C224 problem after replacing drum

    Quote Originally Posted by darkocg88 View Post
    Thanks, that was my doubt as well. Dev.

    Sent from my Moto E (4) Plus using Tapatalk

    If its over or close to 300K then its done its work replace it.
    Its quick to pull out the tank and check it, have you done that?
    Whatever

  8. #8
    RTFM!! 2,500+ Posts allan's Avatar
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    Re: C224 problem after replacing drum

    So its not done 200K yet?
    Whatever

  9. #9
    Field Supervisor 500+ Posts tsbservice's Avatar
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    Re: C224 problem after replacing drum

    Quote Originally Posted by allan View Post
    So its not done 200K yet?
    Well, atleast if TC it's not over million
    Might be, but more likely it's under 200k little early for developer.
    Agree, do some crash stop testing will help to determine the problem between TBU and IU(drum+dev).
    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.

  10. #10
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    C224 problem after replacing drum

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    Re: C224 problem after replacing drum

    If you want an accurate answer post 4x gradation prints this will give us more info to go on.

    If the laser (print head) was dirty you would have white lines/deletions.

    Developer unit will not produce thin black lines as per your print sample.

    Silly question (seen it many times) are you sure you fitted a NEW black image unit?

    If you have 100 % fitted a new K IU the issue is with the transfer unit.
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