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  1. #1
    Senior Tech 250+ Posts
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    Transfer trouble on Canon iR ADV C DX 5840

    Good evening everyone !
    I have an image transfer problem on a Canon iR ADV DX C 5840!
    On the ITB group the printing is perfect, but the problem emerges in the transfer.
    Problem that is present on all 4 colors!
    I replaced the HV board (UN 7).
    The entire transfer assembly present on the door.
    Checked the mass.
    ITB group replaced...
    Nothing !
    What do you recommend?Test di Stampa.jpg

  2. #2
    Service Manager 5,000+ Posts
    Transfer trouble on Canon iR ADV C DX 5840

    copier tech's Avatar
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    Re: Transfer trouble on Canon iR ADV C DX 5840

    Quote Originally Posted by Ingranaggio_rotto View Post
    Good evening everyone !
    I have an image transfer problem on a Canon iR ADV DX C 5840!
    On the ITB group the printing is perfect, but the problem emerges in the transfer.
    Problem that is present on all 4 colors!
    I replaced the HV board (UN 7).
    The entire transfer assembly present on the door.
    Checked the mass.
    ITB group replaced...
    Nothing !
    What do you recommend?Test di Stampa.jpg
    Run that PG10 patten again but a duplex print, does the 2nd side look OK?
    Let us eat, drink, and be merry, because tomorrow we may die!

    For all your firmware & service manual needs please visit us at:

    www.copierfirmware.co.uk - www.printerfirmware.co.uk




  3. #3
    Senior Tech 100+ Posts
    Transfer trouble on Canon iR ADV C DX 5840

    bobburnsreb's Avatar
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    Re: Transfer trouble on Canon iR ADV C DX 5840

    Did you check the values of the service label inside the front cover. Do a P Print and check the values against another machine to see if anything jumps out at you.

    Good Luck!

  4. #4
    Trusted Tech 50+ Posts
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    Re: Transfer trouble on Canon iR ADV C DX 5840

    weird paper issue? cold/moisture issue might do something like that.

    I had faded prints on magenta and then it came back on cyan a week after.

    you've probably done this already but run an autogradation before anything else.
    Firmware update

    and you might want to run itb img-x /mmi clear if you run out of options.
    Last edited by Radiscar; 01-23-2024 at 12:10 AM. Reason: adding more info.

  5. #5
    Engineer senior 100+ Posts giogi's Avatar
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    Re: Transfer trouble on Canon iR ADV C DX 5840

    It could also be the Drum drive or Main controller

    To see the service manuale chap 2 Secondary Transfer Bias Control
    "Knowledge is a source, but unfortunately ignorance is a sea."

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