Xerox workcentre EC 7856 blurry prints

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  • bbenson40@yahoo.com
    Technician
    • Jan 2020
    • 19

    #1

    Xerox workcentre EC 7856 blurry prints

    Hello, I am working on A Xerox WorkCentre EC 7865 that is having issues with blurry copies when it prints. I have replaced the following: Transfer belt and belt cleaner. All drums. Second transfer roller. Fuser unit. I have performed the Print calibration, and it still seems to be blurry and double images. Is there anything else I can try?

    THX,

    Brent
  • adriansto
    Service Manager

    Site Contributor
    VIP Subscriber
    1,000+ Posts
    • Nov 2007
    • 2383

    #2
    Originally posted by bbenson40@yahoo.com
    Hello, I am working on A Xerox WorkCentre EC 7865 that is having issues with blurry copies when it prints. I have replaced the following: Transfer belt and belt cleaner. All drums. Second transfer roller. Fuser unit. I have performed the Print calibration, and it still seems to be blurry and double images. Is there anything else I can try?

    THX,

    Brent
    Can you show us some samples?. It is new machine from old stock?

    Comment

    • bbenson40@yahoo.com
      Technician
      • Jan 2020
      • 19

      #3
      Hello, Attached is an example of the blurry picture.

      Thx,

      BB
      Attached Files

      Comment

      • adriansto
        Service Manager

        Site Contributor
        VIP Subscriber
        1,000+ Posts
        • Nov 2007
        • 2383

        #4
        Originally posted by bbenson40@yahoo.com
        Hello, Attached is an example of the blurry picture.

        Thx,

        BB
        What are the machine faults history?
        First step is to remove , inspect and clean the MOB sensor.

        Comment

        • bbenson40@yahoo.com
          Technician
          • Jan 2020
          • 19

          #5
          I am not sure of the history. I was called out to repair the machine and replaced several parts. The streaking went away. However I am getting the blurry copies.

          THX,
          BB

          Comment

          • xcopytech
            Service Manager

            1,000+ Posts
            • Aug 2006
            • 1792

            #6
            This is not blurry, you have problem with color registration. First clean MOB sensor then adjust color registration

            Comment

            • bbenson40@yahoo.com
              Technician
              • Jan 2020
              • 19

              #7
              Hello, Thank you. Do you have instructions for cleaning the MOB Sensor and how to perform an adjustment on the registration?

              THX,

              Brent

              Comment

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