4027 producing light copies

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  • TonerMunkeh
    Professional Moron

    2,500+ Posts
    • Apr 2008
    • 3865

    #16
    Might be the HV board's on it's way out, has the machine given any SC402's?
    It's 106 miles to Chicago. We've got a full tank of gas, half a pack of cigarettes, it's dark and we're wearing sunglasses.

    Hit it.

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    • gooseklr
      Technician
      • Apr 2010
      • 34

      #17
      This is just a shot in the dark but...............have you checked to ensure that the transfer roller is making proper contact? have you tried adjusting transfer bias ? if there is a component failure it will normally throw a code, many of which may be a level 3 only detectable in sp service-error printout.

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      • Fearless V K
        Senior Tech

        500+ Posts
        • May 2007
        • 620

        #18
        Get an ohmmeter and measure continuity from the transfer roller contacts on the rear of the door to the transfer roller.
        Don't take that toner with me!

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