C250 control panel

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  • Taminol
    Trusted Tech

    Site Contributor
    100+ Posts
    • May 2007
    • 171

    #1

    C250 control panel

    Hi guys,

    Just a little question for you.

    I have just come in to possesion of a C250. It warms up ok and everything looks fine.
    However, the touch panel section of the control panel will not accept any inputs. All the 'hard buttons' work, it's just the 'soft buttons' on the touch panel that will not respond.
    I've been told, that because the machine was left on a van overnight and it got cold, that the control panel should spring back into life when it warms up. I've never heard of that before, thus the question to you guys.

    I've tried recalibrating the panel via the accessability button, but the panel won't accept when I touch the 4 crosses.

    I've been given 24 hours to accept or reject the machine.
    Any ideas ?

    Thanks

    Tam
  • LAKY
    Technician
    • Mar 2009
    • 16

    #2
    c 250

    do a reset trouble
    hold the key utility meter and turn the machine
    hello laky

    Comment

    • ni311
      Senior Tech

      Site Contributor
      500+ Posts
      • May 2008
      • 658

      #3
      How can you do a trouble reset if the touch panel is not working?!
      Konica Minolta Error Codes - Explanations and Solutions

      Comment

      • LAKY
        Technician
        • Mar 2009
        • 16

        #4
        c 250

        the truble not reset uses the touch panel, but the key utilities' meter and the ignition key.
        laky

        Comment

        • Taminol
          Trusted Tech

          Site Contributor
          100+ Posts
          • May 2007
          • 171

          #5
          Originally posted by LAKY
          do a reset trouble
          hold the key utility meter and turn the machine
          hello laky

          I tried the 'hold utility while turning on' idea earlier. But the machine then wants me to press ok on the non functioning touch panel.

          Any other ideas ?

          Comment

          • kmcopier
            PSP

            100+ Posts
            • Oct 2008
            • 183

            #6
            replace the touch panel 4037780701 an the control panel works again this is only the touch glass and not the complete unit

            Comment

            • dqydj
              Technician

              50+ Posts
              • Jun 2005
              • 65

              #7
              You might try removing the op panel and make sure the
              4 pin ribbon cable for the touch glass hasn't come loose.
              If that's not the case I agree, replace the touch glass.

              Comment

              • TheOwl
                Service Manager

                Site Contributor
                1,000+ Posts
                • Nov 2008
                • 1732

                #8
                There is cable that comes out near the MFP board only to plug into the MFP board externally. This cable connects the print engine to the scanner.

                Try removing that cable, check for bent pins and then reconnect. I have had trouble with these cables after a machine has been moved and the connector doesn't make proper contact.
                Please don't ask me for firmware or service manuals as refusal often offends.

                Comment

                • Taminol
                  Trusted Tech

                  Site Contributor
                  100+ Posts
                  • May 2007
                  • 171

                  #9
                  I managed to borrow a control panel from another dealer. Fitted it, works fine.
                  I have checked out all the pins/ribbon cables as suggested, but they all look fine. I guess it's just a case of the 'glass section' going faulty.
                  Thanks for all your help

                  Comment

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