Lines from edge to edge on Bizhub 6501

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  • silviuwolf
    Junior Member
    • Jul 2014
    • 1
    #1

    [Misc] Lines from edge to edge on Bizhub 6501

    Hi experts,

    Few weeks ago we bought a KM Bizhub 6501 (SH). Now, when we start printing, lines are printed from edge to edge of the page, no matter of size of paper. The most prominent is a magenta line. The lines appear on both faces even if we don't use duplex. After 50-60 pages the lines are cleaned and not appear until... next morning when we start again the machine.

    I attached an image from this morning with the problem:
    lines.jpg

    Please advice what happens and how we can fix the problem?

    Thank You very much.
    Tags: None
    • CopyJunkie
      Technician
      • Oct 2012
      • 28
      #2
      Re: Lines from edge to edge on Bizhub 6501

      Toner probably dropped onto the corona units when the machine was moved.

      As long as the corona units aren't that old, cleaning them should take care of your problem.
      NOTES ON HOW TO USE THE FAX MACHINE.

      1. Get into your DeLorean (or your TARDIS) and go back to 1990.
      2. Place papers in the machine - Face Down.
      3. DO NOT dial 9
      4.       Rejoin the rest of modern civilization.

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        • Herrmann
          Senior Tech

          Site Contributor
          500+ Posts
          • Jan 2006
          • 792
          #3
          Re: Lines from edge to edge on Bizhub 6501

          Stripes caused by Corona are not that sharp, they are fuzzy. Check for worn out Magenta and Cyan Drum Scraper, in worst case, the Drums are worn. What is the reading of the Maintenanace Counter?
          If sometimes you feel a little useless, offended and depressed always remember that you were once the fastest and most victorious sperm of hundreds of millions!

            Comment

            • methogod
              Senior Tech

              Site Contributor
              500+ Posts
              • Dec 2008
              • 921
              #4
              Re: Lines from edge to edge on Bizhub 6501

              bad blades - either worn (and need to be replaced) or are just not being lubricated until you get warmup, there are some settings i would lower the adjustment that cleaned lubes the drums more often.

              when you start up you can try doing a belt refresh which will coat the belt in toner and at the same time coat the drums, may waste toner then running unsellable prints.

              When you replace drums i would use DU-104 not DU-102C's moving forward especially if you do any kind of volume. I never recomend generic drums but i am testing Katun DU-104s

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