T640 Double feeding

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  • skinnypuppy
    CopierJanitor/Geargluer

    50+ Posts
    • May 2008
    • 84

    [Jamming] T640 Double feeding

    A client of mine has a T 640 it would not feed envelopes through the MP tray without a push. I changed the pickup roller and put an almost new sep pad in and now it double feeds or stream feeds the envelopes. Any ideas?
  • Iowatech
    Not a service manager

    2,500+ Posts
    • Dec 2009
    • 3933

    #2
    Re: T640 Double feeding

    Sounds like the envelopes are out of spec.

    Comment

    • JustManuals
      Field Supervisor

      5,000+ Posts
      • Jan 2006
      • 9919

      #3
      Re: T640 Double feeding

      This Parts & Service Manual can now be purchased for $12.77 and downloaded immediately after payment from:


      Just Manuals, The Internet's largest selection of manuals ~ Instant Downloads


      Paul@justmanuals.com

      Comment

      • yourownfree
        Trusted Tech

        250+ Posts
        • Dec 2007
        • 474

        #4
        Re: T640 Double feeding

        Originally posted by skinnypuppy
        A client of mine has a T 640 it would not feed envelopes through the MP tray without a push. I changed the pickup roller and put an almost new sep pad in and now it double feeds or stream feeds the envelopes. Any ideas?
        Is the pickup roller the proper one and the almost new pad, toss it and put in a new one. Almost new could have been sitting too long and become hard. The roller and the pad work together. When they are new the gap between the two is not so much. As they wear the gap becomes bigger and allows the envelope to go through. If the pad texture is a third party pad, some just dont work. Now like Iowatech said there could be a problem with the envelopes. Now there is one more possibility and I have only seen these machines a few times is the feed clutch. If it doesn't stop and makes another rotation you will now have your stream feed.

        Comment

        • lef3pap
          Technician
          • Jan 2012
          • 32

          #5
          Re: T640 Double feeding

          rub the separation pad and make it more rough.The pad is probably the problem

          Comment

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