Touch Screens Failing

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  • dogsbody
    Trusted Tech

    250+ Posts
    • Jun 2007
    • 288
    #1

    Touch Screens Failing

    Hi All, is anyone else having a problem with C450/C250 etc touch screens, I have had 4 fail in the week and no amount of cleaning or adjustment will help.
    Just curious to see if anyone else is seeing this in the field.
    Cheers.
    The force will be with you always.
    Tags: adjustmen, amou, backlight, control panel, duc, failure, screens, touch, touch screen, touchscreens
    • fixthecopier
      ALIEN OVERLORD

      2,500+ Posts
      • Apr 2008
      • 4714
      #2
      Nothing lately. I used to have to smack the control panel on some of the old di250/350 to get the touch screen to work.
      The greatest enemy of knowledge isn't ignorance, it is the illusion of knowledge. Stephen Hawking

        Comment

        • 8050
          Technician

          50+ Posts
          • Feb 2009
          • 88
          #3
          What type of failure are you experiencing? Non-responsive touch screens? LED backlight not lighting up, contrast not working?

            Comment

            • dogsbody
              Trusted Tech

              250+ Posts
              • Jun 2007
              • 288
              #4
              They get out of adjustment and no amount of adjusting will bring them back.
              eg. of the four buttons to push when adjusting, the top twop will be out about 15mm while the bottom two 10mm.
              The actual screen and backlight are fine.
              Cheers.
              The force will be with you always.

                Comment

                • kmcopier
                  PSP

                  100+ Posts
                  • Oct 2008
                  • 183
                  #5
                  This is the same as problem with the older models C250,C300.
                  They have now two manufacters!!
                  Only the good news is that it's cheap that part

                    Comment

                    • B0265
                      Senior Tech

                      500+ Posts
                      • Jan 2007
                      • 718
                      #6
                      Originally posted by dogsbody
                      Hi All, is anyone else having a problem with C450/C250 etc touch screens, I have had 4 fail in the week and no amount of cleaning or adjustment will help.
                      Just curious to see if anyone else is seeing this in the field.
                      Cheers.
                      We have had 5 bad touch screens on C250's in the last 2 weeks!

                        Comment

                        • kyoceradude
                          The Great Gazoo

                          250+ Posts
                          • Aug 2006
                          • 442
                          #7
                          Kyocera's have had a problem with their touch screens for a while now. They had a bad batch where the conductive adhesive that attaches the flat cable to the glass, fails from heat and humidity. Possible the same manufacturer of yours. Not repairable, you must replace it.
                          My mission here on Earth is to help all you Dum-Dums!

                            Comment

                            • DCPS
                              Trusted Tech

                              100+ Posts
                              • Mar 2008
                              • 116
                              #8
                              I can confirm the problem with the touchscreens for C250/C252/C351/C352/C450. We have had around 20 defectiv control panels the last 2 months.

                                Comment

                                • StormyKnight
                                  Technician

                                  50+ Posts
                                  • Dec 2008
                                  • 50
                                  #9
                                  Strangely Ricoh have also had this problem although it has been for a while - same story humidity is affecting the glue which then throws the adjustment out & it is unrecoverable.

                                  Note that Ricoh are providing the part free of charge now + a small amount for the labour to change over.

                                    Comment

                                    • emujo
                                      Field Supervisor

                                      2,500+ Posts
                                      • Jun 2009
                                      • 3009
                                      #10
                                      Hope this will help
                                      Attached Files
                                      If you don't see your question answered in the forum, please don't think it's OK to PM me for a personal reply...I do not give out firmware and/or manuals.

                                        Comment

                                        • redhotrob
                                          Technician

                                          50+ Posts
                                          • Feb 2008
                                          • 69
                                          #11
                                          emujo, thanks for the info.

                                            Comment

                                            • doomblack
                                              Technician
                                              • Aug 2009
                                              • 12
                                              #12
                                              yah the touch screen on my 450 is bad, it works on occasion, I just readjust the adjustment and works for a day or two then becomes shotty again.

                                                Comment

                                                • Warstg_20
                                                  Technician
                                                  • Sep 2009
                                                  • 72
                                                  #13
                                                  Originally posted by emujo
                                                  Hope this will help
                                                  thanks for this info sir

                                                    Comment

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