Konica bizhub 458 internal error c 392b

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  • DOE
    Trusted Tech

    250+ Posts
    • Mar 2010
    • 258

    #1

    Konica bizhub 458 internal error c 392b

  • Woxner
    Senior Tech

    500+ Posts
    • Jul 2011
    • 825

    #2
    Re: Konica bizhub 458 internal error c 392b

    Replace the fuser it could be bad wire according to code. Or if you did not turn off and plugged fuser in you may have blown mfp.
    C392B: Fusing sensor wire breaks detection (difference of temperature)

    Rank

    A

    Trouble detection condition

    The difference between the temperature corrected by the heating roller thermistor 1 (TH1) and the temperature detected by the heating roller thermistor 2 (TH2) exceeds a predetermined value.

    Trouble isolation

    -

    Relevant electrical parts

    Fusing unit
    Heating roller thermistor 1 (TH1)
    Heating roller thermistor 2 (TH2)
    MFP board (MFPB)

    Comment

    • Woxner
      Senior Tech

      500+ Posts
      • Jul 2011
      • 825

      #3
      Re: Konica bizhub 458 internal error c 392b

      Do the error reset properly. There is not a no to select. Hold reset down turn on machine. Wait for dot in screen. Touch trouble reset the turn off and back on. You can also hit system reset under systen 2

      Comment

      • tsbservice
        Field tech

        Site Contributor
        5,000+ Posts
        • May 2007
        • 7904

        #4
        Re: Konica bizhub 458 internal error c 392b

        Does the old fuser works if you put it back?
        As Woxner mentioned you may have bad luck getting defective new fuser.
        A tree is known by its fruit, a man by his deeds. A good deed is never lost, he who sows courtesy, reaps friendship, and he who plants kindness gathers love.
        Blessed are they who can laugh at themselves, for they shall never cease to be amused.

        Comment

        • copyman
          Owner / Technician

          Site Contributor
          2,500+ Posts
          • Sep 2005
          • 4511

          #5
          Re: Konica bizhub 458 internal error c 392b

          Since you posted that you only removed the fuser and didn't replace with a new one I think that is where you should start. Or at least swap a good fuser from another machine.

          Of course try and reset the way wox posted by holding down reset while turning on.

          Comment

          • DOE
            Trusted Tech

            250+ Posts
            • Mar 2010
            • 258

            #6
            Re: Konica bizhub 458 internal error c 392b

            Originally posted by Woxner
            Do the error reset properly. There is not a no to select. Hold reset down turn on machine. Wait for dot in screen. Touch trouble reset the turn off and back on. You can also hit system reset under systen 2

            Comment

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