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  1. #11
    Senior Tech 250+ Posts
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    Re: lumps of toner black, on copies / prints on iR-ADV C 5051

    The auto gradation procedure It 's something that the customer appears to be just a waste of time... .
    However I would add that the printer had a quality not very good, despite the 4 drums had a life relatively new (4,000 copies / prints around).
    So I had this idea: RAM clear DCcon ...
    I ONLY rewrite the table values ​​placed on the front door ..
    Running INIT ITB, AT-IMG-X, Autogradation, and quality has definitely changed for the better!
    Black is back .. black (not saturated, because even after all those type 5 in very high density, the group is discharged!)
    Problem solved!

  2. #12
    Senior Tech 100+ Posts niyaskarimba's Avatar
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    Re: lumps of toner black, on copies / prints on iR-ADV C 5051

    Quote Originally Posted by teckat;27879
    [B
    heavy volume will usually not cause overtone on these new type iR's[/B]

    just tell your customer to do the prescribed auto gradation procedures daily


    i have the similar problem...when we are changing the toner it starts,but we are using OEM TONER(GPR-30/C-EXV-28)

  3. #13
    Senior Tech 100+ Posts niyaskarimba's Avatar
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    Re: lumps of toner black, on copies / prints on iR-ADV C 5051

    [QUOTE=niyaskarimba;497351]i have the similar problem...when we are changing the toner it starts,but we are using OEM TONER(GPR-30/C-EXV-28)[/QUO

    Please suggest

  4. #14
    Senior Tech 100+ Posts niyaskarimba's Avatar
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    Re: lumps of toner black, on copies / prints on iR-ADV C 5051

    Quote Originally Posted by teckat View Post
    Attachment 14719

    heavy volume will usually not cause overtone on these new type iR's


    just tell your customer to do the prescribed auto gradation procedures daily
    [QUOTE=niyaskarimba;497352][QUOTE=niyaskarimba;497351]i have the similar problem...when we are changing the toner it starts,but we are using OEM TONER(GPR-30/C-EXV-28)[/QUO

    Please check the attachment and suggest
    Attached Files Attached Files

  5. #15
    Service Manager 10,000+ Posts
    lumps of toner black, on copies / prints on iR-ADV C 5051

    teckat's Avatar
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    Re: lumps of toner black, on copies / prints on iR-ADV C 5051

    [QUOTE=niyaskarimba;497354][QUOTE=niyaskarimba;497352]
    Quote Originally Posted by niyaskarimba View Post
    i have the similar problem...when we are changing the toner it starts,but we are using OEM TONER(GPR-30/C-EXV-28)[/QUO

    Please check the attachment and suggest
    ==========================================

    is this a Print or Copy of original from Glass/Feeder




    repeating image every 94mm.


    Perform a forced drum replacement in service mode (Level 1 > Copier > Function > DPC > DRMRSETY, DRMRSETM, DRMRSETC,DRMRSETK). Then perform a complete auto gradation.


    is this issue on BLACK ONLY ??
    do u see howfaint image transfer from previous same copy is transferred to next copy

    have u checked ITB assembly & Black Drum ??


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

  6. #16
    Senior Tech 100+ Posts niyaskarimba's Avatar
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    Re: lumps of toner black, on copies / prints on iR-ADV C 5051

    [QUOTE=teckat;497377][QUOTE=niyaskarimba;497354]
    Quote Originally Posted by niyaskarimba View Post
    ==========================================

    is this a Print or Copy of original from Glass/Feeder




    repeating image every 94mm.


    Perform a forced drum replacement in service mode (Level 1 > Copier > Function > DPC > DRMRSETY, DRMRSETM, DRMRSETC,DRMRSETK). Then perform a complete auto gradation.


    is this issue on BLACK ONLY ??
    do u see howfaint image transfer from previous same copy is transferred to next copy

    have u checked ITB assembly & Black Drum ??


    repeat.jpg

    The test page is prit out not copy.when we change the developer the machine will be okay and after some copies around 300 pages it will starts again.I get doubt the toner but we are using genuine toner only.This problem is only for black not for other colours.Please help me to solve this issue.

  7. #17
    Service Manager 10,000+ Posts
    lumps of toner black, on copies / prints on iR-ADV C 5051

    teckat's Avatar
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    Re: lumps of toner black, on copies / prints on iR-ADV C 5051

    [QUOTE=niyaskarimba;497755][QUOTE=teckat;497377]
    Quote Originally Posted by niyaskarimba View Post


    The test page is prit out not copy.when we change the developer the machine will be okay and after some copies around 300 pages it will starts again.I get doubt the toner but we are using genuine toner only.This problem is only for black not for other colours.Please help me to solve this issue.




    Do u use an OEM Canon Drum
    To prevent image fault caused by residual toner, the cleaning brush roller is added to clean the primary charging roller

    the drum cleaning brush roller not cleaning primary charging roller residual toner attached on the primary charging roller
    **Knowledge is time consuming, exhausting and costly for a trained Tech.**

  8. #18
    Senior Tech 100+ Posts niyaskarimba's Avatar
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    Re: lumps of toner black, on copies / prints on iR-ADV C 5051

    [QUOTE=teckat;497760][QUOTE=niyaskarimba;497755]
    Quote Originally Posted by teckat View Post





    Do u use an OEM Canon Drum
    To prevent image fault caused by residual toner, the cleaning brush roller is added to clean the primary charging roller

    the drum cleaning brush roller not cleaning primary charging roller residual toner attached on the primary charging roller
    we are using OEM Drum only(GPR-30).We are importing machines from Germany and the machines are running good here,but when we are changing the toner purchase from here localy ie ..from Dubai(GPR-30/EXV-28).The problem starts...

  9. #19
    Service Manager 10,000+ Posts
    lumps of toner black, on copies / prints on iR-ADV C 5051

    teckat's Avatar
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    Re: lumps of toner black, on copies / prints on iR-ADV C 5051

    [QUOTE=niyaskarimba;497796][QUOTE=teckat;497760]
    Quote Originally Posted by niyaskarimba View Post

    we are using OEM Drum only(GPR-30).We are importing machines from Germany and the machines are running good here,but when we are changing the toner purchase from here localy ie ..from Dubai(GPR-30/EXV-28).The problem starts...
    ======
    Well u have your answer 😱

    There are many dealers that claim to sell Canon Original Products.
    Boxes even look exactly like OEM Canon.

    Black Market is alive and well overseas.
    **Knowledge is time consuming, exhausting and costly for a trained Tech.**

  10. #20
    Senior Tech 100+ Posts niyaskarimba's Avatar
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    Re: lumps of toner black, on copies / prints on iR-ADV C 5051

    [QUOTE=teckat;497797][QUOTE=niyaskarimba;497796]
    Quote Originally Posted by teckat View Post

    ======
    Well u have your answer ��

    There are many dealers that claim to sell Canon Original Products.
    Boxes even look exactly like OEM Canon.

    Black Market is alive and well overseas.

    But why only for black......???The toner is original we are buying from canon delear only....
    Last edited by niyaskarimba; 11-22-2015 at 02:30 PM.

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