Canon IR C3480 E020-103 What does this mean ?

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  • Doug James
    Senior Tech

    Site Contributor
    500+ Posts
    • Jan 2012
    • 935

    #1

    [Error Code] Canon IR C3480 E020-103 What does this mean ?

    I can't find the manuals on this. The copies are darker than normal. If I have to replace the drum do I have to replace all of them. Thanks so much for any feedback !!
  • Jake2o
    Trusted Tech

    250+ Posts
    • Dec 2007
    • 325

    #2
    Re: Canon IR C3480 E020-103 What does this mean ?

    No you don't have to replace all the drums. It just relates to the black drum.

    Measured density value of patch for Black is higher than
    the upper limit.

    Stands to reason that your prints would be darker if the density is higher than the upper limit.

    Check the toner leakage from the toner buffer block
    within the developing assembly. Replace the patch
    image reading sensor

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