bizhub C451 it keeps on sucking out the cyan developer

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  • muhammadreza
    Lerner

    Site Contributor
    • Aug 2012
    • 39
    #1

    bizhub C451 it keeps on sucking out the cyan developer

    Hi i have a bizhub C451, this machine eat cyan developer like hungry i all ready change 2 cyan drum unite, when i change unite same day its working fine and some day after cyan developer is competently empty can anybody what is the issue . same body tall me change HV bored s-l500.jpg
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    • copyman
      Owner / Technician

      Site Contributor
      2,500+ Posts
      • Sep 2005
      • 4712
      #2
      Re: bizhub C451 it keeps on sucking out the cyan developer

      This is a known issue with the C451. Has been discussed here many times. Here is one example:

      http://www.copytechnet.com/forums/ko...cyan-iu-2.html

      The one time I had this problem the black IU toner port wasn't opening and black toner leaked onto the cyan unit. Also I believe there is a tech bulletin addressing this issue.

        Comment

        • muhammadreza
          Lerner

          Site Contributor
          • Aug 2012
          • 39
          #3
          Re: bizhub C451 it keeps on sucking out the cyan developer

          Originally posted by copyman
          This is a known issue with the C451. Has been discussed here many times. Here is one example:

          http://www.copytechnet.com/forums/ko...cyan-iu-2.html

          The one time I had this problem the black IU toner port wasn't opening and black toner leaked onto the cyan unit. Also I believe there is a tech bulletin addressing this issue.
          thank you for your replay.....

            Comment

            • copier tech
              Field Supervisor

              5,000+ Posts
              • Jan 2014
              • 8165
              #4
              Re: bizhub C451 it keeps on sucking out the cyan developer

              Originally posted by muhammadreza
              Hi i have a bizhub C451, this machine eat cyan developer like hungry i all ready change 2 cyan drum unite, when i change unite same day its working fine and some day after cyan developer is competently empty can anybody what is the issue . same body tall me change HV bored [ATTACH=CONFIG]36374[/ATTACH]
              Seen this a few times, a very annoying fault, each time I vacuumed the machine clean then replaced the K IU & the HVT board in your picture.

              Also what I also did was empty out all the of cyan dev from the unit I replaced then I could simply top up the dev when the fault returned, this saved a lot of time & money, you can just pour in down the toner entry.

              Bizhub C552 IU losing developer V2.pdf
              Let us eat, drink, and be merry, because tomorrow we may die!

              For all your firmware & service manual needs please visit us at:

              www.copierfirmware.co.uk - www.printerfirmware.co.uk
              ​

                Comment

                • muhammadreza
                  Lerner

                  Site Contributor
                  • Aug 2012
                  • 39
                  #5
                  Re: bizhub C451 it keeps on sucking out the cyan developer

                  Originally posted by copier tech
                  Seen this a few times, a very annoying fault, each time I vacuumed the machine clean then replaced the K IU & the HVT board in your picture.

                  Also what I also did was empty out all the of cyan dev from the unit I replaced then I could simply top up the dev when the fault returned, this saved a lot of time & money, you can just pour in down the toner entry.

                  [ATTACH]36379[/ATTACH]
                  thak you for your halpeful advice. Today I go coustomer place and change HV and k IU if it is good I replay later 😀

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