Konica Minolta Bizhub 750

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  • csmiklos
    • May 2025

    #1

    Konica Minolta Bizhub 750

    Hi!

    Please help. I have a KM Bizhub 750.I have multiple problems.The first is the machine randomly gives the C-2804 message.Is it a sensor problem?
    The other thing is when it works ,I press START button it refuses do anything, the job is on the list but it won't do anything.What could be the problem(refresh firmware?).

    Thanks
  • michael@fotcop
    Technician
    • Apr 2011
    • 27

    #2
    Re: Konica Minolta Bizhub 750

    Clean the senssor gamma that is below the drum.

    Comment

    • csmiklos

      #3
      Re: Konica Minolta Bizhub 750

      Thanks!

      I'll give it a try, I hope its the sensor.

      Any idea of the other problem (refuse to work after pushing Start button, yet it is on the job list..)?

      Comment

      • RRodgers
        Service Manager

        1,000+ Posts
        • Jun 2009
        • 1947

        #4
        Re: Konica Minolta Bizhub 750

        I just had a 600 that sat there and did nothing after the start button was pressed. Flashing it fixed that.
        Color is not 4 times harder... it's 65,000 times harder. They call it "TECH MODE" for a reason. I have manual's and firmware for ya, course... you are going to have to earn it.

        Comment

        • csmiklos

          #5
          Re: Konica Minolta Bizhub 750

          What do you mean by "Flashing"?

          thanks

          Comment

          • kimoncopiers
            Technician
            • Feb 2011
            • 12

            #6
            Re: Konica Minolta Bizhub 750

            Yes, i agrree with michael-fotcop , You must clean the sensor back of the drum. I cleaning it with clean white benzin (this benzin is for clothes) and working perfect.

            Comment

            • JustManuals
              Field Supervisor

              5,000+ Posts
              • Jan 2006
              • 9838

              #7
              Re: Konica Minolta Bizhub 750

              This Parts & Service Manual can now be purchased for $12.77 and downloaded immediately after payment from


              Just Manuals, The Internet's largest selection of manuals ~ Instant Downloads


              Paul@justmanuals.com

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