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  1. #1
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    C224E white vertical lines

    Hello,

    i'm a computer service tech ,and this is the first time trying to repair bizhub c224e .when printing in black text i got some small vertical white lines on a paper.but when printing the same text in blue color perfect no lines no issue.i changed the drum same result.the machine got a message saying transfer built must be changer soon. can this tranfer build be the problem of those lines or there is something else.

    Thank you.

  2. #2
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    Re: C224E white vertical lines

    Can you post JPG?

  3. #3
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    Re: C224E white vertical lines

    here is the scaned printed page example.
    Attached Files Attached Files

  4. #4
    KonicaMinolta Senior Tech 500+ Posts srvctec's Avatar
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    Re: C224E white vertical lines

    Looks like possibly a chunk of something in the developer unit under the doctor blade. Or maybe just clean the print head glass (for all 4 units but especially black) using the wand that is supposed to be in the front door of the machine. <Do that first as it's the quickest and easiest.
    Started in the copier service business in the fall of 1988 and have worked at the same company since then, now the senior tech, since 2004.

  5. #5
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    Re: C224E white vertical lines

    Quote Originally Posted by kranyan View Post
    here is the scaned printed page example.
    print the halftone test in service mode and check if only do white lines in the black test

  6. #6
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    Re: C224E white vertical lines

    by the size of the repeat I would have to guess developer unit.

  7. #7
    KonicaMinolta Senior Tech 500+ Posts srvctec's Avatar
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    Re: C224E white vertical lines

    Quote Originally Posted by kranyan View Post
    here is the scaned printed page example.
    I should have asked this prior to even attempting to answer. We need to know where the lead edge is. Is it at the top or bottom of the page (SEF) or one of the sides (LEF)? Makes a HUGE difference in troubleshooting. I just guessed it was SEF.
    Started in the copier service business in the fall of 1988 and have worked at the same company since then, now the senior tech, since 2004.

  8. #8
    Service Manager 2,500+ Posts tsbservice's Avatar
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    Re: C224E white vertical lines

    Quote Originally Posted by srvctec View Post
    I should have asked this prior to even attempting to answer. We need to know where the lead edge is. Is it at the top or bottom of the page (SEF) or one of the sides (LEF)? Makes a HUGE difference in troubleshooting. I just guessed it was SEF.
    He said it's vertical so I guess sample is LEF. Nevertheless both cases(LEF or SEF) it looks like K(black developer unit) is culprit
    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.

    Blessed are they who can laugh at themselves, for they shall never cease to be amused.

  9. #9
    KonicaMinolta Senior Tech 500+ Posts srvctec's Avatar
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    Re: C224E white vertical lines

    Quote Originally Posted by tsbservice View Post
    He said it's vertical so I guess sample is LEF. Nevertheless both cases(LEF or SEF) it looks like K(black developer unit) is culprit
    To be fair, it IS vertical when looking at the page in a reading position BUT it could have been fed through the machine in either direction.
    Started in the copier service business in the fall of 1988 and have worked at the same company since then, now the senior tech, since 2004.

  10. #10
    Service Manager 2,500+ Posts tsbservice's Avatar
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    Re: C224E white vertical lines

    Quote Originally Posted by srvctec View Post
    To be fair, it IS vertical when looking at the page in a reading position BUT it could have been fed through the machine in either direction.
    For sure, fair enough
    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.

    Blessed are they who can laugh at themselves, for they shall never cease to be amused.

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