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  1. #11
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    Re: MX-3100 Line on prints CMY only

    I would have to say something in the optics, clean all mirrors, remove lens cover and clean both sides of the lens, and front of CCD my 2 cents

  2. #12
    Senior Tech 250+ Posts
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    Re: MX-3100 Line on prints CMY only

    Hello

    I have attached some samples as a PDF files, Please see line on the bottom part of page.

    4block - show each 4 blocks (2pages) CMYK and you can clearly see line (on the bottom) on CMY

    15 percentage from blackcat. The scans are bad as I am not sure how to make a good scan. Anyway C and M shows this line (bottom). Y and K do not print this line.

    Internal prints. These scans show internal prints from the machine. The bottom line is not printed on internal printouts.

    Please ignore thick line on top of the scanned documents. This is not on the page - scanner optics are dirty probably.
    Also this is not a scanner issue. This line does not appear on any (not defected of course) scanned documents. Here are presented documents which were printed with this line. Print issue.


    4blocks.pdf
    15percentageC.pdf
    15percentageM.pdf
    15percentageY.pdf
    15percentageK.pdf
    InternalPrintC.pdf
    InternalPrintM.pdf
    internalPrintY.pdf

  3. #13
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    Re: MX-3100 Line on prints CMY only

    Try interal print with

    SIM 64-1

    A 11
    B 2
    C 2
    D 155 (this is the density, higher is darker, lower is lighter, max is 255)

  4. #14
    Service Manager 10,000+ Posts
    MX-3100 Line on prints CMY only

    Phil B.'s Avatar
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    Re: MX-3100 Line on prints CMY only

    Quote Originally Posted by Jack79 View Post
    Hi

    I am looking for your advise.
    Internal prints from 64-1 each colour give nice printout (no issue and nice quality).
    Documents sent from computer or copied from glass give (along short edge A4 paper) a line on CMY (K is not affected). Quality is fine. Line is always in the same place for all 3 colours.

    Internal prints do not print this line.
    Could you advise how to fix this issue please?

    Jack
    have the files you are printing been scanned by this machine? it makes no sense that internal prints and computer prints are different only difference is one is stored on the PC and the other is stored in the machine. Are the internal prints orientated the same as the computer prints? (LEF or SEF)?


    did you check your scan glass on the copier ADF?

  5. #15
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    Re: MX-3100 Line on prints CMY only

    Phil my English is bad but saying internal prints I mean prints from sim 64-1 in this case.
    Scans posted here are from this machine.

  6. #16
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    Re: MX-3100 Line on prints CMY only

    Try the lighter internal prints at 155 and see what happens...

  7. #17
    Master Of The Obvious 10,000+ Posts
    MX-3100 Line on prints CMY only

    blackcat4866's Avatar
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    Re: MX-3100 Line on prints CMY only

    Quote Originally Posted by boutn View Post
    Try the lighter internal prints at 155 and see what happens...
    I think the reason you're not seeing the line on the internal prints is because of the additional density of the fill. The lighter internal prints that boutn suggests will show the same voids.

    If the voids had sharp edges I might think that they were caused by dirty laser optics. But since the edges are soft I think you'll find some sort of obstruction under the doctor blade of the developing unit leaving a faint area in the developing brush for cyan and magenta. =^..^=
    If you'd like a serious answer to your request:
    1) demonstrate that you've read the manual
    2) demonstrate that you made some attempt to fix it.
    3) if you're going to ask about jams include the jam code.
    4) if you're going to ask about an error code include the error code.
    5) You are the person onsite. Only you can make observations.

    blackcat: Master Of The Obvious =^..^=

  8. #18
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    Re: MX-3100 Line on prints CMY only

    Quote Originally Posted by blackcat4866 View Post
    I think the reason you're not seeing the line on the internal prints is because of the additional density of the fill. The lighter internal prints that boutn suggests will show the same voids.

    If the voids had sharp edges I might think that they were caused by dirty laser optics. But since the edges are soft I think you'll find some sort of obstruction under the doctor blade of the developing unit leaving a faint area in the developing brush for cyan and magenta. =^..^=
    My thoughts exactly

  9. #19
    Senior Tech 250+ Posts
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    Re: MX-3100 Line on prints CMY only

    Quote Originally Posted by boutn View Post
    Try interal print with

    SIM 64-1

    A 11
    B 2
    C 2
    D 155 (this is the density, higher is darker, lower is lighter, max is 255)

    Thank you boutn. I have done what you suggest and you were right. Line appear on the bottom part of page.
    I did not have a chance to make a scan but I made a photo.

    How can I solve this problem now?
    Attached Images Attached Images

  10. #20
    Senior Tech 250+ Posts
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    Re: MX-3100 Line on prints CMY only

    Quote Originally Posted by blackcat4866 View Post
    I think the reason you're not seeing the line on the internal prints is because of the additional density of the fill. The lighter internal prints that boutn suggests will show the same voids.

    If the voids had sharp edges I might think that they were caused by dirty laser optics. But since the edges are soft I think you'll find some sort of obstruction under the doctor blade of the developing unit leaving a faint area in the developing brush for cyan and magenta. =^..^=

    Thanks for your explanation but all 4 developer and drum units were replaced and line was still there. Laser optics can be a problem. If not laser optics then what can you suggest?

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