Konica Minolta Bizhub C350 Black screen, touch screen still works.

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  • macabi
    • May 2025
    #1

    [Error Code] Konica Minolta Bizhub C350 Black screen, touch screen still works.

    Konica Minolta Bizhub C350. Black screen. The touch panel still works & if shine flashlight close to the panel you can see what's on it. I tried swapping a complete used control panel, that I know works, & this did not help.
    Has someone had this happen? Any ideas?
    Thanks.
    Tags: black, panel, screen, touch
    • copyman
      Owner / Technician

      Site Contributor
      2,500+ Posts
      • Sep 2005
      • 4545
      #2
      Re: Konica Minolta Bizhub C350 Black screen, touch screen still works.

      I've had this a few times. It was one of the boards on back. MFP or MC. Sorry can't be more specific it's been many years.

        Comment

        • nassor
          Technician
          • Sep 2017
          • 30
          #3
          Re: Konica Minolta Bizhub C350 Black screen, touch screen still works.

          Originally posted by macabi
          Konica Minolta Bizhub C350. Black screen. The touch panel still works & if shine flashlight close to the panel you can see what's on it. I tried swapping a complete used control panel, that I know works, & this did not help.
          Has someone had this happen? Any ideas?
          Thanks.
          Try to change RAM

            Comment

            • lazymangr
              Trusted Tech

              100+ Posts
              • Feb 2017
              • 115
              #4
              Re: Konica Minolta Bizhub C350 Black screen, touch screen still works.

              that means the backlight of lcd is off. dunno if there is a spare for that

                Comment

                • blackcat4866
                  Master Of The Obvious

                  Site Contributor
                  10,000+ Posts
                  • Jul 2007
                  • 22952
                  #5
                  Re: Konica Minolta Bizhub C350 Black screen, touch screen still works.

                  Are you getting the 24vdc to the backlight inverter PWB? =^..^=
                  If you'd like a serious answer to your request:
                  1) demonstrate that you've read the manual
                  2) demonstrate that you made some attempt to fix it.
                  3) if you're going to ask about jams include the jam code.
                  4) if you're going to ask about an error code include the error code.
                  5) You are the person onsite. Only you can make observations.

                  blackcat: Master Of The Obvious =^..^=

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