KM-C2520 NO DISPLAY

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  • EDSNOW
    Trusted Tech

    100+ Posts
    • Feb 2009
    • 180
    #1

    [Misc] KM-C2520 NO DISPLAY

    Hi Everyone
    I have a customer 300 miles from here with a blank display.
    I just wanted to ask if anyone else might have had a similar issue and what the resolution might have been.
    I would have to order a replacement OP UNIT which isn't a problem but I thought I would ask. I don't expect the customer is able to do anything in the interm other than perhaps print.

    Thanks
    ED
    Tags: blank, c252, customer, display, issue, print, replacement, unit, wanted
    • Metalvoc
      Trusted Tech

      100+ Posts
      • Sep 2008
      • 155
      #2
      Re: KM-C2520 NO DISPLAY

      I have had a couple customers move the display density wheel unintentionally. (though not as common as it used to be) You might have them spin that back and forth, to see if they get something to come up. If not, when they touch the screen, does it still beep when the press the invisible keys, or is there no function from the display panel at all?

      If the touch screen and hard keys are still working, I wouldn't order an entire op panel, just the display.
      I must have a prodigious quantity of mind; it takes me as much as a week sometimes to make it up - Mark Twain

        Comment

        • blackcat4866
          Master Of The Obvious

          Site Contributor
          10,000+ Posts
          • Jul 2007
          • 22927
          #3
          Re: KM-C2520 NO DISPLAY

          Originally posted by Metalvoc
          I have had a couple customers move the display density wheel unintentionally. (though not as common as it used to be) ... If the touch screen and hard keys are still working, I wouldn't order an entire op panel, just the display.
          Like he says. =^..^=
          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 =^..^=

            Comment

            • JustManuals
              Field Supervisor

              5,000+ Posts
              • Jan 2006
              • 9838
              #4
              Re: KM-C2520 NO DISPLAY

              This Parts & Service manual can 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

                Comment

                • EDSNOW
                  Trusted Tech

                  100+ Posts
                  • Feb 2009
                  • 180
                  #5
                  Re: KM-C2520 NO DISPLAY

                  Thanks for the responses.
                  I phoned the customer and verified the display panel is indeed lit up but no activity for any of the selection tabs. I trusted the customer to try a MM 906 and 201 but even then when required to push the required tab nothing happens. I do have an operation panel on order so I expect that is my next option. Machine is still under warranty so at the end of the day an RMA will work out.
                  Just an inconvenience in travel distance and time.
                  I will follow up with the resolution.

                    Comment

                    • tech07
                      Trusted Tech

                      250+ Posts
                      • Aug 2008
                      • 409
                      #6
                      Re: KM-C2520 NO DISPLAY

                      I've had quite a little run on op panels lately..I only had to replace the touch op panel. Nothing else. Just be careful when removing the foam pads around it's rim. you'll need to put them on the new one. I would venture to say we've gone through ( 8 techs ) about a dozen of this part in the last 2 months

                        Comment

                        • EDSNOW
                          Trusted Tech

                          100+ Posts
                          • Feb 2009
                          • 180
                          #7
                          Re: KM-C2520 NO DISPLAY

                          Many Thanks for the response tech07.
                          I appreciate.
                          ED

                            Comment

                            • EDSNOW
                              Trusted Tech

                              100+ Posts
                              • Feb 2009
                              • 180
                              #8
                              Re: KM-C2520 NO DISPLAY

                              When I got onsite the operation panel was working.
                              I removed and reinserted the connectors anyway and did the display MM simulation to set display.
                              Checked operation and while doing other work around town I checked back before leaving. Regardless I left the new part at the
                              customer location in case there are future issues.
                              The problem with this kind of call is the remote location and being only one of a kind product anywhere in our dealership.
                              Thanks
                              Ed

                                Comment

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