C658 J-9903

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  • apn821
    Junior Member
    • Nov 2021
    • 5

    #1

    C658 J-9903

    Hey everyone. I've got a C658 that has a J-9903 jam code that won't go away. There is no copy or print job waiting to print. Ethernet cable has been removed. The machine will reset and try to come to ready but eventually it will show the J-9903. Done a complete unplug and reboot. The only thing i haven't done is a data initialization and firmware flash. Never had a J-9903. I've had J-9901. Any recommendations? Thanks.
  • Synthohol
    Certified Konica Expert

    Site Contributor
    5,000+ Posts
    • Mar 2016
    • 5842

    #2
    id back the addy book and settings up to USB and initialize, reinstall movie data, pdf data and see if it goes away. the "controller jam" could be a loose side guide changing the paper size mid print.
    We know a thing or two because we've seen a thing or two.
    The medication helps though...

    Comment

    • pickle8486
      Technician
      • Aug 2013
      • 26

      #3
      Had this same issue 2 weeks ago. Go into service mode and see if there are color registration errors. If so a drum has either recently been replaced that is defective or has gone bad, for us it was the K drum. we replaced alot of parts to fix this issue just to find out the drum was bad.

      Comment

      • Andysnave
        Junior Member
        • Jul 2018
        • 5

        #4
        I've had exactly this problem. Clean the PH assy with the cleaning wand. My problem was a leaky black dev unit depositing dev onto the rear of the PH assy so the machine couldn't stabilise correctly. Replaced dev assy and vac out and all was okay!

        Comment

        • Albonline
          Service Manager

          1,000+ Posts
          • Sep 2008
          • 1151

          #5
          stop the machine during color registration part of warmup ,see what's on the belt. Check the print head .

          Comment

          • Tech09
            Trusted Tech

            Site Contributor
            100+ Posts
            • Apr 2020
            • 145

            #6
            Have you done a System Error Clear? Whenever I have a jam of any kind that just won't clear, I open all the doors and pull out all the trays, cycle power, let it boot up and close one thing at a time. This should help narrow down what's causing the code. Would also flash firmware, even just re-flash the same version if it's already at the current level.

            Comment

            • allan
              RTFM!!

              5,000+ Posts
              • Apr 2010
              • 5462

              #7
              Have a call with the same issue. Wonder if this can happen if one of the drum of dev chips loose contact during stabilization? Seems like this happen after a K drum change...
              Whatever

              Comment

              • tsbservice
                Field tech

                Site Contributor
                5,000+ Posts
                • May 2007
                • 8020

                #8
                Originally posted by allan
                Have a call with the same issue. Wonder if this can happen if one of the drum of dev chips loose contact during stabilization? Seems like this happen after a K drum change...
                Hey allan nice to see you are back mate.
                pickle8486 said yes. I will go and check chips and parts maybe something is fouling machine.

                A tree is known by its fruit, a man by his deeds. A good deed is never lost, he who sows courtesy, reaps friendship, and he who plants kindness gathers love.
                Blessed are they who can laugh at themselves, for they shall never cease to be amused.

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