Spots on MP6500

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  • bat
    Trusted Tech

    100+ Posts
    • Sep 2008
    • 138
    #1

    Spots on MP6500

    Hi all...

    We have four of MP6500 in a same room at one off our costumers, all have same problem, black spots (little lines) on drum. When printed on paper, spots are white. What can couse these spots. All machines are frequently serviced, and PM parts replaced...Thanks
    Attached Files
    Tags: 500, black, costumers, drum, hi all, lines, paper, parts, printed, waste toner, white
    • Jomama46
      Field Supervisor

      Site Contributor
      2,500+ Posts
      • Apr 2008
      • 2900
      #2
      Looks like chicken scratches. Caused by a lack of circulation between the developer and drum. check the fans and replace the filters especially the one next to the transfer unit.
      sigpic
      You never realize how cheap a professional is until after you let an amateur do it.
      A+; Network +; PDI+

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        • tcs04
          FORMER Techie

          1,000+ Posts
          • Apr 2009
          • 1183
          #3
          Originally posted by Jomama46
          Looks like chicken scratches. Caused by a lack of circulation between the developer and drum. check the fans and replace the filters especially the one next to the transfer unit.
          AKA "Medaka"

          Also check the waste toner auger insde the PCU and make sure the auger inside the clear tube is long enough to eject the toner at the top.

          You will probably heve to change the brush, it will be contaminated.

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