3550ci J6000

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  • Geo
    Senior Tech

    500+ Posts
    • Nov 2010
    • 662
    #1

    3550ci J6000

    Hi

    Have a CS 3550ci with a DF-790 ( 4K sheet finisher) More often than not and Only in the morning and only the first page, it will jam ( B tray). The paper exists the copier about 2 inches, but never makes it to the finisher entrance switch. However , once cleared the copier will work for the entire day without any problems.

    We have tried :
    Different finisher
    Reloaded firmware
    New style exit assembly .
    New style tray,center assembly
    Disassembled, cleaned and lubed the AK drive section

    Any thoughts

    Thanks Much
    Geo
    Tags: None
    • blackcat4866
      Master Of The Obvious

      Site Contributor
      10,000+ Posts
      • Jul 2007
      • 22973
      #2
      Re: 3550ci J6000

      Neither of these records exactly matches your code, but may be of help to you anyway:

      Misfeeds (5011, 5018, 5001), entering the finisher. Bridge unit left sensor return spring is disconnected. Re-position return spring for BRCS2.

      Misfeeds (J6301, J6111) in the finisher entrance every time. Finisher guide D1 is left down, making the finisher door difficult (but not impossible) to close. Close finisher guide D1.

      =^..^=
      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

        • tmaged
          Owner/Service Manager

          Site Contributor
          1,000+ Posts
          • Oct 2008
          • 1863
          #3
          Re: 3550ci J6000

          When you say new style exit assembly, are you talking machine exit or AK exit ? I've had a number of machines with different finisher jams. Like you, I did everything I could think of. Replacing the AK exit section is what remedied all of them. The new units use bearings rather than brass bushings. I had even cleaned & oiled the brass bushings. The bushings slow the pages down enough that you'll get different codes.
          Hope that helps !
          -Tony
          www.dtios.com
          Become a fan on Facebook

            Comment

            • Geo
              Senior Tech

              500+ Posts
              • Nov 2010
              • 662
              #4
              Re: 3550ci J6000

              Hi
              It's the AK exit ass'y, it was replaced with the new style ( roller bearings) . Unfortunately their was no change.
              The puzzling part is that it only happens after sitting overnight/weekend and only on the first page out ...but not every morning.

              Thanks

                Comment

                • Lunatech
                  Trusted Tech

                  100+ Posts
                  • Oct 2012
                  • 191
                  #5
                  Re: 3550ci J6000

                  Had a similar problem with a canon years ago. Turned out to be condensation. After sitting all night in a frigid building the fixing unit would heat up and soak the exit ass'y. After the first jam was removed it dried it out enough to get the rest through without incident. It is grasping at a straw, but maybe you're up against something like that.

                    Comment

                    • bronco31
                      Trusted Tech

                      Site Contributor
                      100+ Posts
                      • Aug 2009
                      • 174
                      #6
                      Re: 3550ci J6000

                      Originally posted by Geo
                      Hi
                      It's the AK exit ass'y, it was replaced with the new style ( roller bearings) . Unfortunately their was no change.
                      The puzzling part is that it only happens after sitting overnight/weekend and only on the first page out ...but not every morning.

                      Thanks


                      hey Geo.. same issue here.. mines a 3500i...J6000 only in the morning!
                      did you solve this?
                      could it be the Machine exit unit? (as youve already upgraded the AK Exit unit with the buttery smooth bearing vs bushings!)

                      thx!
                      have a great day in the battlezone

                        Comment

                        • bigdaddy
                          Technician
                          • Feb 2015
                          • 35
                          #7
                          Re: 3550ci J6000

                          I know this is an old thread but do you guys happen to know the part number for the updated AK-730 exit assembly. I can't find a part number for the whole assembly, just the individual pieces.

                          Thanks

                            Comment

                            • bigdaddy
                              Technician
                              • Feb 2015
                              • 35
                              #8
                              Re: 3550ci J6000

                              I found it, thanks.

                                Comment

                                • itchyfinger@att.net
                                  Technician

                                  50+ Posts
                                  • Oct 2017
                                  • 77
                                  #9
                                  Re: 3550ci J6000

                                  I had a unit do this same thing. replaced the feed tires in the cassette and have not had the problem since then. check 251 and if they have over 70 k replace them think it was a timing issue with the first sheet

                                    Comment

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