Jam 0118 on imagepress C850

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  • V-P
    Senior Tech

    Site Contributor
    500+ Posts
    • Apr 2011
    • 679
    #1

    [Jamming] Jam 0118 on imagepress C850

    I have a case with a delay jam on duplex section on a Imagepress 850.

    Counter close to 2 milion.

    After replacing all ((the gears + bearing + 2 belts + feed rollers)) on the duplex section also on the reverse section...

    FM0-4922-000 1
    FC0-9759-000 1 ROLLER, PAPER FEED
    FC9-8388-000 3 ROLLER, DUPLEXING
    XG9-0475-000 9 BEARING,
    FU0-0114-000 1 GEAR, 19T
    FC9-0402-000 4 FLANGE, PULLEY
    FU5-0629-000 1 GEAR, 19T
    FU6-0694-000 2 GEAR, 14T
    FU8-0056-000 4 GEAR, 19T/PULLEY, 16T
    FU8-0083-000 2 GEAR, 24T
    FU6-0694-000 2 GEAR, 14T
    FU0-0114-000 1 GEAR, 19T
    FU9-0155-000 4 GEAR, 16T

    the printer worked fine for a couple thousand copies.

    Now it started again same story. All type of paper from plain to heavy. A4, A4R, 32 x 22 cm = they all jam.

    Only A3 and bigger size runs fine.

    Anyone crossed this before ?

    Peace..
    Tags: 19t, fine, gear, jam, section
    • onlyinnewfoundland
      Trusted Tech

      100+ Posts
      • Apr 2013
      • 235
      #2
      Re: Jam 0118 on imagepress C850

      Try adjusting the screws that change the tension on those two belts in the duplex section.

      I'm not 100% sure what the factory tension is supposed to be, but I figured it should be somewhat firm...I ended up loosening them a decent bit. Trial and error after doing rebuild around 4 million. Been working fine ever since, but I had the same issue.

        Comment

        • V-P
          Senior Tech

          Site Contributor
          500+ Posts
          • Apr 2011
          • 679
          #3
          Re: Jam 0118 on imagepress C850

          The belts are kept in tension by springs. Did you force the springs when tightening the screws ?

            Comment

            • onlyinnewfoundland
              Trusted Tech

              100+ Posts
              • Apr 2013
              • 235
              #4
              Re: Jam 0118 on imagepress C850

              Originally posted by V-P
              The belts are kept in tension by springs. Did you force the springs when tightening the screws ?
              Initially, yes. But I found I kept getting jams in the same areas...

              I just let the belt tension off a bit at a time and it was ok after a try or two.

                Comment

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