Konica bizhub PRESS C6000 Dumping Cyan

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  • joaopauloooo
    Technician
    • Jul 2016
    • 43

    Konica bizhub PRESS C6000 Dumping Cyan

    Hello,
    I'm having an issue on this KM C6000, under high humidity it starts dumping so much cyan toner I had to revert the toner density.
    Already changed the corona, witch by the way was new, and same thing happens. Swapped the drum unit and still the issue.

    Also noticed that the readings on humidity are not right, could this be the problem?
    Machine has a PF-602 installed.

    313377222_10160611778827193_6932819759697575431_n.jpg313361334_10160611779632193_8389959741603722005_n.jpg313365147_10160611560322193_3167385954530460940_n.jpg
  • Synthohol
    Certified Konica Expert

    Site Contributor
    5,000+ Posts
    • Mar 2016
    • 5400

    #2
    Re: Konica bizhub PRESS C6000 Dumping Cyan

    swap the cyan and magents DV units and see if issue stays with cyan or its another problem.
    put tape over the holes when swapping and leave the toner door open while testing so it wont try to add toner.
    We know a thing or two because we've seen a thing or two.
    The medication helps though...

    Comment

    • tulintron
      Senior Tech

      Site Contributor
      500+ Posts
      • Jul 2014
      • 651

      #3
      Re: Konica bizhub PRESS C6000 Dumping Cyan

      Originally posted by joaopauloooo
      Hello,
      I'm having an issue on this KM C6000, under high humidity it starts dumping so much cyan toner I had to revert the toner density.
      Already changed the corona, witch by the way was new, and same thing happens. Swapped the drum unit and still the issue.

      Also noticed that the readings on humidity are not right, could this be the problem?
      Machine has a PF-602 installed.

      [ATTACH=CONFIG]55214[/ATTACH][ATTACH=CONFIG]55215[/ATTACH][ATTACH=CONFIG]55216[/ATTACH]
      In the first image you wanted to show an A4 sheet completely covered in cyan?

      I noticed that there is no white border on the sheet.


      If your answer is YES, your problem is related to the cyan charging corona assembly. Corona, connection, fitting, HV board, something in that reasoning.


      Moisture wouldn't do that.
      https://www.copytechnet.com/images/smilies/cool.pngNada como dia após diahttps://www.copytechnet.com/images/smilies/cool.png

      Comment

      • joaopauloooo
        Technician
        • Jul 2016
        • 43

        #4
        Re: Konica bizhub PRESS C6000 Dumping Cyan

        Originally posted by tulintron
        In the first image you wanted to show an A4 sheet completely covered in cyan?

        I noticed that there is no white border on the sheet.
        Yes to all.
        Thanks.

        Comment

        • joaopauloooo
          Technician
          • Jul 2016
          • 43

          #5
          Re: Konica bizhub PRESS C6000 Dumping Cyan

          Repleaced the Drum and the issue is gone for now.

          Comment

          • Sysco
            Technician
            • Mar 2010
            • 43

            #6
            Re: Konica bizhub PRESS C6000 Dumping Cyan

            Change the drum, corona, develop house, and see the result.
            It's not too much time.

            Comment

            • L0rdC
              Technician
              • Feb 2021
              • 82

              #7
              Re: Konica bizhub PRESS C6000 Dumping Cyan

              seen on a c6500 two weeks ago, also on the cyan, the corona wire is burnt, if you swap crowns the problem will go to another color, change the corona wire

              Comment

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