Bizhub C250 horizontal black line

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  • ITbyaccident
    Technician
    • Sep 2007
    • 24

    #1

    [CQ] Bizhub C250 horizontal black line

    Hi All.

    I've got a Konica Minolta Bizhub with a persistant 1/8" wide black horizontal line appearing on every page about 1/2" from the bottom whether its a print job or copy job. It had a warning to replace the transfer unit and I've done so with no change. The fusing unit also shows only one bar remaining but no warnings yet.

    Can someone help me get rid of that line?

    Thanks, Ken
  • jonw
    Technician

    50+ Posts
    • Nov 2010
    • 57

    #2
    Re: Bizhub C250 horizontal black line

    hi new black image unit required or try cleaning charge grid to get around it jon

    Comment

    • ITbyaccident
      Technician
      • Sep 2007
      • 24

      #3
      Re: Bizhub C250 horizontal black line

      Originally posted by jonw
      hi new black image unit required or try cleaning charge grid to get around it jon
      Thanks, jonw. The imaging unit is pretty new, but cleaning the grid seemed to do the trick. Ken

      Comment

      • Don N.
        Trusted Tech

        250+ Posts
        • Nov 2011
        • 409

        #4
        Re: Bizhub C250 horizontal black line

        <The fusing unit also shows only one bar remaining but no warnings yet.>
        One black bar means 10% used, 90% life remaining. I'm assuming you mean one bar left unlit. That would be 90% used.

        Make a copy that shows the black line and stop the copier when the paper is about to enter the fuser. If the line isn't there, it's the fuser. My guess is it's the K (black) image unit.

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