Bizhub C451| Problem with printing gradation

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  • polyprint
    Junior Member
    • Mar 2011
    • 6
    #1

    Bizhub C451| Problem with printing gradation

    The Greeting all!
    I have machine konica minolta bizhub C451. Month earlier problem was got with printing gradation. The Lower side of the sheet not completely to print.
    I can not exactly express this on english. Put the photo.
    Problem there is on CIAN, MAGENTA, YELLOW.
    I do: clear lazer - no result, hard stop-(problem transfer belt or PH unit).
    Any thoughts?

    The Problem under red line.
    Attached Files
    Tags: belt, bizhub, konica, konica minolta, minolta, printing, transfer, unit, yellow
    • polyprint
      Junior Member
      • Mar 2011
      • 6
      #2
      the light band.
      Attached Files

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        • mo0651
          Service Manager

          1,000+ Posts
          • Apr 2009
          • 1054
          #3
          how old are drum (IU) units? rechipped? Looks like same prob on top side of paper.

            Comment

            • polyprint
              Junior Member
              • Mar 2011
              • 6
              #4
              Originally posted by mo0651
              how old are drum (IU) units? rechipped? Looks like same prob on top side of paper.
              With many thanks for message.
              IU counter =85 000 А4, not rechiped. Today change developer in CIAN IN ( developer from C6500 original)=gadation it was got better. Later do magenta and yellow.

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                • polyprint
                  Junior Member
                  • Mar 2011
                  • 6
                  #5
                  Clean PH unit(mirror, lens) not result.
                  Attached Files

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