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  • brancas
    Technician

    50+ Posts
    • Jul 2009
    • 78
    #1

    white lines

    KM-C3232 with over 400,000 copies printing with white lines.Maintenance Kit was changed at 300,000 copies. Did drum developer refresh auto grey adjust no joy.Did a print out U89 colour belt saw white lines on black and cyan colours. Replaced black and cyan developer units swapped drum units changed transfer belt no joy. any suggestions?
    doc01310820111206165211-001.jpg
    Tags: belt, black, copies, cyan, drum, kit, km-c3232, maintenance, printing, transfer
    • blsquires
      Trusted Tech

      Site Contributor
      250+ Posts
      • Nov 2008
      • 342
      #2
      Re: white lines

      two things ,first go to system menu ,user adjust ,laser scan cleaning.do this (just the cleaning bit )at least three times then check it .if no improvement clean or replace the charge roller (in the left hand door).

        Comment

        • blackcat4866
          Master Of The Obvious

          Site Contributor
          10,000+ Posts
          • Jul 2007
          • 22927
          #3
          Re: white lines

          Originally posted by blsquires
          two things ,first go to system menu ,user adjust ,laser scan cleaning.do this (just the cleaning bit )at least three times then check it .if no improvement clean or replace the charge roller (in the left hand door).
          Agreed. If the laser slit glasses are continuing to get contaminated with toner, either 1) the color developers are severely overtoned, or 2) you've got one or more cleaning units that is not transporting the waste toner away properly.

          In the first case 1) you can tell by checking U131 > Auto. Replace any developing units differing from the reference by 25 points or more.
          In the second case 2) check that the vertical guide unit B1 is closed properly, the green handles and springs and clips intact, and that the bevel gears are not jumping in the hopper assembly. Once you solve the cause, you may have to replace one or more drum units contaminated with toner rocks in the cleaning unit.

          In either case you'll have to perform a color calibration afterwards. =^..^=
          If you'd like a serious answer to your request:
          1) demonstrate that you've read the manual
          2) demonstrate that you made some attempt to fix it.
          3) if you're going to ask about jams include the jam code.
          4) if you're going to ask about an error code include the error code.
          5) You are the person onsite. Only you can make observations.

          blackcat: Master Of The Obvious =^..^=

            Comment

            • rashid120
              Technician

              50+ Posts
              • Jun 2010
              • 76
              #4
              Re: white lines

              Originally posted by brancas
              KM-C3232 with over 400,000 copies printing with white lines.Maintenance Kit was changed at 300,000 copies. Did drum developer refresh auto grey adjust no joy.Did a print out U89 colour belt saw white lines on black and cyan colours. Replaced black and cyan developer units swapped drum units changed transfer belt no joy. any suggestions?
              [ATTACH=CONFIG]13269[/ATTACH]

              Please Clean the laser unit.remove totally from the machine and clean the mirrors inside the Black cover.Regards Rashid.....

                Comment

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