Km 250 ci - a4 z folding at registration

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  • Paul 75
    Technician

    50+ Posts
    • Oct 2008
    • 97

    Km 250 ci - a4 z folding at registration

    Hi everyone. I've got a 250ci that giving me an in intermittant fault but regular enough for the customer to start getting annoyed !

    it will jam at the 2nd transfer roller / registration assy.. and create a z fold in the process. I have replaced :

    Left hand door Assy Complete.
    ITB Assy
    Registration Assy

    you could run 500 full colour no issue. But it will jam everytime when you try and do a grey scale adjustment on the first print.

    The firmware is on v.13.

    I haven't replaced the reg clutch as I sure this would give me wandering lead edge issues but this is fine. I have also checked the rear rail that the ITB sits on as i have been told that this gives problems if it breaks and the ITB is not square.

    Any Ideas ?
    Oh...... I can't copy at the moment then ? !!!!!!
  • blackcat4866
    Master Of The Obvious

    Site Contributor
    10,000+ Posts
    • Jul 2007
    • 22619

    #2
    Re: Km 250 ci - a4 z folding at registration

    The closest that I can get to this scenario is paper jamming at the transfer roller/belt. It starts gradually at first, then gets worse until every page jams.The rubber inner ridge on the primary transfer belt starts to peel off, and wraps around the idler pulleys. The lumpy primary belt will wear through in areas that are lumpy. A ripper transfer belt an produce the same effect. =^..^=
    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

    • madas
      Trusted Tech

      250+ Posts
      • Aug 2008
      • 313

      #3
      Re: Km 250 ci - a4 z folding at registration

      What are the jam code's?

      madas

      Comment

      • blackcat4866
        Master Of The Obvious

        Site Contributor
        10,000+ Posts
        • Jul 2007
        • 22619

        #4
        Re: Km 250 ci - a4 z folding at registration

        Always J31 (at least for the transfer belt situation). =^..^=
        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

        • Venom
          Technical/IT Support

          500+ Posts
          • Nov 2009
          • 765

          #5
          Re: Km 250 ci - a4 z folding at registration

          I had one that the vertical conveyance paper switches caused that
          IBM, Mita, Konica Minolta, Ricoh, Kyocera, HyPAS, Canon, Oce, Samsung, HP, TEO IP PBX/Unified Communications, Comptia Network+ Comptia PDI+ Certifications

          Comment

          • Paul 75
            Technician

            50+ Posts
            • Oct 2008
            • 97

            #6
            Re: Km 250 ci - a4 z folding at registration

            Its a J31 Jam. delay going into fuser. its had a new itb assy put in already and the copy quality is spot on. The machine is in a school so the summer break is near. Im debating whether to get KM UK in to help , but their support isn't very helpful at the best of times.

            Thanks for your input guys
            Oh...... I can't copy at the moment then ? !!!!!!

            Comment

            • Venom
              Technical/IT Support

              500+ Posts
              • Nov 2009
              • 765

              #7
              Re: Km 250 ci - a4 z folding at registration

              Also check that the transfer roller has proper spring tension, sometimes customer will pop roller out and push back without the spring.
              IBM, Mita, Konica Minolta, Ricoh, Kyocera, HyPAS, Canon, Oce, Samsung, HP, TEO IP PBX/Unified Communications, Comptia Network+ Comptia PDI+ Certifications

              Comment

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