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  1. #1
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    Black on IR C5030

    Hello everybody,
    I have here a Canon IR C5030. This has a very funny problem. He has received a new Drum BK and a new developer unit about 3,000 pages ago. All the prints were still correct from then on. Today I noticed the gray in the middle of the sheet was particularly weak. I then created various test prints via the service menu. It is noticeable that black clouds are formed in the middle of the leaf. Has anyone ever had such a mistake. Perhaps the black toner has become moist? When copied with the lid open, the page is perfectly black.

    Maybe someone has an idea for it.
    Thanks for replies

    maximilian500

    Attachement: Scanned Pages

    Datei von filehorst.de laden


  2. #2
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    Black on IR C5030

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    Re: Black on IR C5030

    Quote Originally Posted by maximilian500 View Post
    Hello everybody,
    I have here a Canon IR C5030. This has a very funny problem. He has received a new Drum BK and a new developer unit about 3,000 pages ago. All the prints were still correct from then on. Today I noticed the gray in the middle of the sheet was particularly weak. I then created various test prints via the service menu. It is noticeable that black clouds are formed in the middle of the leaf. Has anyone ever had such a mistake. Perhaps the black toner has become moist? When copied with the lid open, the page is perfectly black.

    Maybe someone has an idea for it.
    Thanks for replies

    maximilian500

    Attachement: Scanned Pages

    Datei von filehorst.de laden

    is that a PG5 BLACK TP ?

    did u try single M C Y color PG 5 test prints


    did u try fresh unopened paper


    u mean the light area that is outlined ? is it constant in one area or moving ?


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    Last edited by teckat; 2 Weeks Ago at 03:45 PM.
    **Knowledge is time consuming, exhausting and costly for a trained Tech.**

  3. #3
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    Re: Black on IR C5030

    The page is PG5 with Dens-K 255. The area is constant and not moving. I mean the light area in the middle. This is only in black. All over colors have no problems. I use the paper this is inserted the machine.
    It has rained however today and the machine is at 19 degrees in the room. It may be good that the paper may have become moist?
    Quote Originally Posted by teckat View Post

    is that a PG5 BLACK TP ?

    did u try single M C Y color PG 5 test prints


    did u try fresh unopened paper


    u mean the light area that is outlined ? is it constant in one area or moving ?



  4. #4
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    Black on IR C5030

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    Re: Black on IR C5030

    Quote Originally Posted by maximilian500 View Post
    The page is PG5 with Dens-K 255. The area is constant and not moving. I mean the light area in the middle. This is only in black. All over colors have no problems. I use the paper this is inserted the machine.
    It has rained however today and the machine is at 19 degrees in the room. It may be good that the paper may have become moist?



    moisture in paper would effect all colors

    sometimes PG 10's do not actually reflect transfer issues ( because of color saturation on them )

    faint issue in same area on one color =

    -did u use Dust-blocking Glass Cleaning tool stored in the machine.

    EXAMPLE OF CLEANING



    -check primary transfer roller condition (for Black)
    -check single color image on ITB before transfer

    **Knowledge is time consuming, exhausting and costly for a trained Tech.**

  5. #5
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    Re: Black on IR C5030

    I have checked the dust blocking glass and cleaned them. The image on the transfer is good and had no errors. Condition of the primary transfer roller is 43 % (219608 pages). Condition of secondary transfer is 43 % (219628 pages)

    Quote Originally Posted by teckat View Post



    moisture in paper would effect all colors

    sometimes PG 10's do not actually reflect transfer issues ( because of color saturation on them )

    faint issue in same area on one color =

    -did u use Dust-blocking Glass Cleaning tool stored in the machine.

    EXAMPLE OF CLEANING



    -check primary transfer roller condition (for Black)
    -check single color image on ITB before transfer



  6. #6
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    Re: Black on IR C5030

    On thick paper (250g) black is very goog. No error.


  7. #7
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    Black on IR C5030

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    Re: Black on IR C5030

    Quote Originally Posted by maximilian500 View Post
    On thick paper (250g) black is very goog. No error.



    On ITB belt--when stopping---PG5 Black only TP is solid

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    Re: Black on IR C5030

    For both papers it looks the same on the ITB. However, on the heavier paper the expression is perfect. In the case of plain paper, the print is also opaque when copying with an open lid. There's something funny, is not it?


  9. #9
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    Black on IR C5030

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    Re: Black on IR C5030

    Quote Originally Posted by maximilian500 View Post
    For both papers it looks the same on the ITB. However, on the heavier paper the expression is perfect. In the case of plain paper, the print is also opaque when copying with an open lid. There's something funny, is not it?
    -----

    U can't test CQ with those open SKY SHOTS, that's old school.
    Sky shot takes pic of open area in space

    **Knowledge is time consuming, exhausting and costly for a trained Tech.**

  10. #10
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    Re: Black on IR C5030

    Can it possibly be at the black drum? The drum was only replaced before 3000 pages. Can still have a problem. This may be places that are defective, so that this does not properly recharge. The pattern repeats itself. If it were the transfer roll, would be a continuous strip in the places?


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