C360 duplex jams J-7216

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  • mascan42
    Trusted Tech

    250+ Posts
    • Oct 2008
    • 480

    #1

    [Jamming] C360 duplex jams J-7216

    If anyone is familiar with the C360, the duplex diverter gate is non-powered on this machine. Paper coming up from the fuser pushes up on the gate, and is guided to the exit, then the guide drops back down by simple gravity. Paper being reversed passes over the top of this same gate, in the lowered position.

    What seems to be happening with my machine is that it's doing both at the same time. Paper is still being reversed over the top of the gate when another page comes up from underneath it, and jams. I can hear the exiting paper crash into the gate while the reversing motor is still running. This only happens with portrait letter size paper, since the spacing of the sheets is different for landscape.

    All of the exit guides including the diverter gate have been replaced, and it seemed to work for a couple of months, but now it's doing the exact same thing. Any ideas?
  • Synthohol
    Certified Konica Expert

    Site Contributor
    5,000+ Posts
    • Mar 2016
    • 5740

    #2
    Re: C360 duplex jams J-7216

    please refresh my memory, are the exit rollers an orange sponge material?
    i had many issues when the sponge rollers start to crumble. the paper being duplexed does not return into the door fast enough it slips.
    the other issue was the lower paper sensor in the duplex door would stick and throw off the timing.
    good luck.
    We know a thing or two because we've seen a thing or two.
    The medication helps though...

    Comment

    • mascan42
      Trusted Tech

      250+ Posts
      • Oct 2008
      • 480

      #3
      Re: C360 duplex jams J-7216

      No the rolls are hard grey rubber. The entire right door and transport assembly have been replaced, which solved the problem, but only for a couple of months.

      Comment

      • copier tech
        Field Supervisor

        5,000+ Posts
        • Jan 2014
        • 8105

        #4
        Re: C360 duplex jams J-7216

        Does the machine have the internal finisher FS-529 ?
        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

        • mascan42
          Trusted Tech

          250+ Posts
          • Oct 2008
          • 480

          #5
          Re: C360 duplex jams J-7216

          No it's the floor-standing finisher, FS-527. And the paper doesn't get anywhere near it. It jams before reaching the exit rolls.

          Comment

          • copier tech
            Field Supervisor

            5,000+ Posts
            • Jan 2014
            • 8105

            #6
            Re: C360 duplex jams J-7216

            Originally posted by mascan42
            No it's the floor-standing finisher, FS-527. And the paper doesn't get anywhere near it. It jams before reaching the exit rolls.
            J-7216 is a finisher jam
            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

            • tech51
              Senior Tech

              500+ Posts
              • Jan 2009
              • 846

              #7
              Re: C360 duplex jams J-7216

              Had exactly this fault a while back. In my case it was a dirty sensor on the entry to the finisher bridge unit.

              Comment

              • mascan42
                Trusted Tech

                250+ Posts
                • Oct 2008
                • 480

                #8
                Re: C360 duplex jams J-7216

                Originally posted by tech51
                Had exactly this fault a while back. In my case it was a dirty sensor on the entry to the finisher bridge unit.
                It's been replaced.

                Comment

                • allan
                  RTFM!!

                  5,000+ Posts
                  • Apr 2010
                  • 5459

                  #9
                  Re: C360 duplex jams J-7216

                  The rubber on the switch back unit rollers?
                  Whatever

                  Comment

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