ricoh mp c4500

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  • duplicators
    Technician
    • Apr 2016
    • 63

    #1

    [Dead] ricoh mp c4500

    i have a problem with the lcd i change the green glass and when try to start the machines the lcd doesnt work i take a picture any idea
    IMG_20160503_212422014.jpg
  • subith
    Junior Member
    • Jun 2009
    • 5

    #2
    Re: ricoh mp c4500

    Originally posted by duplicators
    i have a problem with the lcd i change the green glass and when try to start the machines the lcd doesnt work i take a picture any idea
    [ATTACH=CONFIG]32776[/ATTACH]

    Problem with BICU

    Comment

    • copier tech
      Field Supervisor

      5,000+ Posts
      • Jan 2014
      • 8174

      #3
      Re: ricoh mp c4500

      Did you run the calibration after you replaced the touch panel?

      Y, 1,9,9,3 stopx5
      Let us eat, drink, and be merry, because tomorrow we may die!

      For all your firmware & service manual needs please visit us at:

      www.copierfirmware.co.uk - www.printerfirmware.co.uk

      Comment

      • Polarbear
        Service Manager

        1,000+ Posts
        • Feb 2012
        • 1070

        #4
        Re: ricoh mp c4500

        Hi

        It is difficult to see from the photo - is there any image on the lcd?

        If not re-check that all the cables are correctly re-inserted on the LCD driver board (on the back of the op panel) when you re-assembled the op panel.

        Also check with a torch to see if there is no image on the lcd, as when the backlight lamp fails (or is not plugged into the driver board) you will not see the image on the lcd even if it is there.
        Press the GREEN button!!

        Comment

        • Greyfox1223
          Junior Member
          • Mar 2016
          • 8

          #5
          Re: ricoh mp c4500

          Originally posted by duplicators
          i have a problem with the lcd i change the green glass and when try to start the machines the lcd doesnt work i take a picture any idea
          [ATTACH=CONFIG]32776[/ATTACH]
          Try to check on the web browser for the service call condition....if not try to replace the polygon mirror motor

          goodluck...

          Comment

          • slimslob
            Retired

            Site Contributor
            25,000+ Posts
            • May 2013
            • 37533

            #6
            Re: ricoh mp c4500

            Was the back light working before you change the "green glass"? It sounds like you might have not gotten all connectors reconnected properly.

            Comment

            • tufbnme
              Trusted Tech

              250+ Posts
              • Feb 2008
              • 493

              #7
              Re: ricoh mp c4500

              Second the back light.

              Comment

              • copier tech
                Field Supervisor

                5,000+ Posts
                • Jan 2014
                • 8174

                #8
                Re: ricoh mp c4500

                The green glass is just the touch pad I assumed posted had a touch issue not dead LCD screen
                Let us eat, drink, and be merry, because tomorrow we may die!

                For all your firmware & service manual needs please visit us at:

                www.copierfirmware.co.uk - www.printerfirmware.co.uk

                Comment

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