C352 ghost jam

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  • mrfuser
    Service Manager

    Site Contributor
    1,000+ Posts
    • May 2007
    • 1583

    C352 ghost jam

    We have a Client with a c352 showing a jam just below fuser. Swapped fuser twice and does not clear! Can't find any jam and tech mode does not show jam!

    help!

    kelly
  • Copier Addict
    Aging Tech

    Site Contributor
    10,000+ Posts
    • Jul 2013
    • 12997

    #2
    Re: C352 ghost jam

    Have you checked the jam history? It will show the most recent jams. Maybe the jam is actually occurring elsewhere.

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    • emujo
      Field Supervisor

      2,500+ Posts
      • Jun 2009
      • 3009

      #3
      Re: C352 ghost jam

      Like most copiers, you probably have removed the actual paper that caused the jam, but you either have a bit of the paper remaining somewhere else, you have knocked off a photo interrupter, or you have a bad board. If you say you checked the sensors in test mode, and all of them flag properly, then the next logical step would be a control board. You might try disconnecting everything you can (sorter, adf, LCT, PFU) to see if the jam goes away at this point. BTW, ghosts are transparent and have no substance, therefore, they cannot possibly cause a jam. In fact, any ghost trapped in your MFP should fall completely though it and down through the floor. Now if you had said a "gremlin", then I could see that being the cause of your jam. Emujo
      If you don't see your question answered in the forum, please don't think it's OK to PM me for a personal reply...I do not give out firmware and/or manuals.

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      • habik
        Service Manager

        Site Contributor
        1,000+ Posts
        • Apr 2010
        • 2014

        #4
        I would check the upper conveyance exit assembly , the bit that is on the door which conveys the paper from fuser to the eject section. Check the gears for the rollers and the opposite side on machine where they mesh in. These gears tend to crumble and lever hook for spring sometimes snaps. I think the jam history is your best friend right now as suggested above!


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