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  1. #1
    Field Supervisor 500+ Posts Codex's Avatar
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    Workcentre 7830 random toner smudge

    Hello

    i,'m going mad with a WC 7830, the machine makes random black toner smudges (looks like short stripes) on the machine side.I changed black, yellow and magenta drums (end of life), transfer cleaning unit, Cyan Development unit ( defect on the mag roller), but the problem still occurs randomly, it's a problem because the customer needs absolute clean prints.

    ANY IDEAS???? PLEASE HELP!!!!
    Memento Audere Semper

  2. #2
    Agitating Artificer 250+ Posts CopierTechofOmens's Avatar
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    Question Re: Workcentre 7830 random toner smudge

    Attach a sample of the defect

  3. #3
    Field Supervisor 500+ Posts Codex's Avatar
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    Re: Workcentre 7830 random toner smudge

    Made a lot of tests yesterday, turned out to be the black developer inside the unit, because of the heat or because the customer leaves the machine unused for many time, the developer was hardened inside the unit.
    Memento Audere Semper

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