Bizhub c25

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  • macuk
    Technician

    50+ Posts
    • May 2009
    • 90
    #1

    Bizhub c25

    I have a customer with a low volume c25. Shortly after changing the black toner cartridge it came up with the message "Caution. not installed i-unit. check k.
    I have tried a new drum chip and cleaned and checked the connections with no sucess Has anyone had this? Attached is a pic of the message. Any help appreciated!
    Attached Files
    Tags: None
    • mo0651
      Service Manager

      1,000+ Posts
      • Apr 2009
      • 1054
      #2
      Re: Bizhub c25

      Check the contact springs on sensor. Have had bad Iu's.

        Comment

        • allan
          RTFM!!

          5,000+ Posts
          • Apr 2010
          • 5459
          #3
          Re: Bizhub c25

          We had a batch of bad after market chips that gives that massage. Got the good stuff and the problem was gone.
          Whatever

            Comment

            • copier tech
              Field Supervisor

              5,000+ Posts
              • Jan 2014
              • 8105
              #4
              Re: Bizhub c25

              I'd start with a new genuine K image unit
              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

                • EarthKmTech
                  Step aside, noob

                  1,000+ Posts
                  • May 2009
                  • 2139
                  #5
                  Re: Bizhub c25

                  Cant be that low volume if they have already used up the original chipless out of box imaging units.

                  Theres several issues relating to toner / iu detection on this model - but as your not using a genuine IU I shall go no further as that in itself is probably the issue.

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