C308 unresponsive touch screen everywhere except CE mode

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  • rrrohan
    Service Manager

    Site Contributor
    1,000+ Posts
    • Sep 2011
    • 1971

    C308 unresponsive touch screen everywhere except CE mode

    C308.

    Unresponsive touch screen.

    The touch is unresponsive and even opening front door doesn't display the open cover message. After about 30 seconds it eventual becomes responsive again.

    Replaced the touch screen

    Ran the Stop Clear 1166 Start calibration.

    Still occurring. It hasn't got any C code errors at all this year.

    Would bad RAM do it?

    I seem to recall having same issue on a 4 series and from memory it was bad SSD?
  • srvctec
    Former KM Senior Tech

    500+ Posts
    • Oct 2009
    • 827

    #2
    Re: C308 unresponsive touch screen everywhere except CE mode

    Originally posted by rrrohan
    C308.

    Unresponsive touch screen.

    The touch is unresponsive and even opening front door doesn't display the open cover message. After about 30 seconds it eventual becomes responsive again.

    Replaced the touch screen

    Ran the Stop Clear 1166 Start calibration.

    Still occurring. It hasn't got any C code errors at all this year.

    Would bad RAM do it?

    I seem to recall having same issue on a 4 series and from memory it was bad SSD?
    First thing I'd do is re-secure all plugs to MFPB, memory, HDD (both ends of connectors) and pretty much anything connected to the MFPB. It's crazy how many times doing this has fixed issues for me over the years. Also, check the cable to the control panel and maybe switch it out if you have a spare machine to take one from.
    Started in the copier service business in the fall of 1988 and worked at the same company for 33.5 years, becoming the senior tech in 2004 but left to pursue another career on 4/29/22.

    Comment

    • rrrohan
      Service Manager

      Site Contributor
      1,000+ Posts
      • Sep 2011
      • 1971

      #3
      Re: C308 unresponsive touch screen everywhere except CE mode

      i think the cable and screen are good because when in service mode it works 100% perfectly its only in standard operating mode its is screwy.

      Comment

      • srvctec
        Former KM Senior Tech

        500+ Posts
        • Oct 2009
        • 827

        #4
        Re: C308 unresponsive touch screen everywhere except CE mode

        Might have to do a clear all data (after backing up any one touches) and see if that fixes it.
        Started in the copier service business in the fall of 1988 and worked at the same company for 33.5 years, becoming the senior tech in 2004 but left to pursue another career on 4/29/22.

        Comment

        • Woxner
          Senior Tech

          500+ Posts
          • Jul 2011
          • 803

          #5
          Re: C308 unresponsive touch screen everywhere except CE mode

          firmware has been known to fix this. also backup HDD and do logical formate

          Comment

          • copier tech
            Field Supervisor

            5,000+ Posts
            • Jan 2014
            • 7879

            #6
            Re: C308 unresponsive touch screen everywhere except CE mode

            Originally posted by rrrohan
            C308.

            Unresponsive touch screen.

            The touch is unresponsive and even opening front door doesn't display the open cover message. After about 30 seconds it eventual becomes responsive again.

            Replaced the touch screen

            Ran the Stop Clear 1166 Start calibration.

            Still occurring. It hasn't got any C code errors at all this year.

            Would bad RAM do it?

            I seem to recall having same issue on a 4 series and from memory it was bad SSD?
            We've seen a failing HDD cause this, you could try unplugging it see if this has any affect.

            As others have said there is a firmware bug known to cause random HDD errors etc you might also want to try that.

            Bizhub C258 C308 C368 SATA errors.pdf
            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

            • rrrohan
              Service Manager

              Site Contributor
              1,000+ Posts
              • Sep 2011
              • 1971

              #7
              Re: C308 unresponsive touch screen everywhere except CE mode

              ill try hdd and a initialization. cheers for the tips ill let you know. always better to replace hdd before it dies fully anyway

              Comment

              • rrrohan
                Service Manager

                Site Contributor
                1,000+ Posts
                • Sep 2011
                • 1971

                #8
                Re: C308 unresponsive touch screen everywhere except CE mode

                i disabled the hdd and it seemed to work well. i formatted hdd and re imported settings and movie data. so far so good

                Comment

                • Gift
                  Service Manager

                  1,000+ Posts
                  • Mar 2011
                  • 2401

                  #9
                  Re: C308 unresponsive touch screen everywhere except CE mode

                  Good to know, thanks. I think there was a panel freeze bug when this series came out and that "slide menu" was activated but that has been fixed via FW ages ago.

                  Comment

                  • REGSIS
                    Trusted Tech

                    250+ Posts
                    • May 2016
                    • 434

                    #10
                    Re: C308 unresponsive touch screen everywhere except CE mode

                    I had unresponsive touch screen caused by network/router issue.
                    The moment I unplugged the network cable screen became responsive again.
                    Network port tested on another ndtwork and worked OK.

                    Just an additional info....

                    Comment

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