Konica Minolta bizhub C253 C3421

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  • HellBz
    • May 2025

    #1

    [Error Code] Konica Minolta bizhub C253 C3421

    Hi !

    I have a big problem. My machine is dead. The heater roll is broken in the fuser. After this written the C3421 fault code.
    I tried to change the Heat roll, and the heating lamp, but nothing.....

    What is the problem?

    Even so much that, when i repleaced the heat roll, i experienced a bit of smoke smell, but not see saw.

    Please somebody help me
  • Nelo

    #2
    Re: Konica Minolta bizhub C253 C3421

    Hi there, replace the whole fuser unit, then reset the error code, it will work.

    Comment

    • HellBz

      #3
      Re: Konica Minolta bizhub C253 C3421

      Originally posted by Nelo
      Hi there, replace the whole fuser unit, then reset the error code, it will work.
      Hi! I tried, I changed to a new fuser, but remained in the code.
      Other ideas might?

      Comment

      • laitang
        Senior Tech

        500+ Posts
        • Nov 2012
        • 627

        #4
        Re: Konica Minolta bizhub C253 C3421

        Check the open/close operation of the upper right door

        Comment

        • insigniawales
          Technician
          • Jan 2014
          • 29

          #5
          Re: Konica Minolta bizhub C253 C3421

          Good Afternoon

          Please try the "trouble reset" function on the copier after fitting the fuser unit.

          This would clear any error code which would cause the machine to stop.

          Regards


          R

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