Mp4054 random duplex jams

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  • luca72
    Field Supervisor

    1,000+ Posts
    • Oct 2017
    • 1711

    #16
    Re: Mp4054 random duplex jams

    Originally posted by Codex
    Hello
    As suggested i started a new thread for this problem.

    I have a Mp4054 with random duplex jams.. Very random, the customer says it happens only on cold machine and only during prints, but in the log i saw that i happened even after a print job of 200-300 sheets. During the service the machine jammed only two times at the same way,the first was a print.. The second a SMC printout... It seems that the paper comes out from the duplex tray for only a few centimeters, then feeds back in the machine and jams there,when everything works fine the paper comes out for about 15 cm and then feeds back in the machine. Six months ago we changed the Fusing Sleeve Assy and the entire duplex exit section for this random jams, i thought there was a faulty solenoid in the duplex unit. But now the problem is back (the customer was closed during lockdown, so he couldn't try the machine).


    Inviato dal mio SM-G935F utilizzando Tapatalk
    I had the same problem a few weeks ago (J27), to do first I replaced the paper exit / reverse unit on the machine, I have not yet had time to restore it in the laboratory, but I am sure it is a sensor
    "loneliness is an invention of the white man, when we are alone we talk to everything around us, we are never alone" (Ojibwa)

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    • Codex
      Senior Tech

      500+ Posts
      • May 2008
      • 694

      #17
      Re: Mp4054 random duplex jams

      UPDATE!!

      Hello guys

      The problem was caused by the BIN TRAY BN3110......i removed the tray one week ago and no more jams.... Till today....the machine works fine e with a normal exit tray.
      Thank you for al your suggestions

      Inviato dal mio SM-G935F utilizzando Tapatalk
      Memento Audere Semper

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      • Mark Bbb
        Service Manager

        1,000+ Posts
        • Jun 2012
        • 1662

        #18
        Re: Mp4054 random duplex jams

        Originally posted by Codex
        UPDATE!!

        Hello guys

        The problem was caused by the BIN TRAY BN3110......i removed the tray one week ago and no more jams.... Till today....the machine works fine e with a normal exit tray.
        Thank you for al your suggestions

        Inviato dal mio SM-G935F utilizzando Tapatalk
        Keep in mind that when a B.U. is installed, paper guides needs to be fit on the exit cover.

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        • Codex
          Senior Tech

          500+ Posts
          • May 2008
          • 694

          #19
          Re: Mp4054 random duplex jams

          There is no Bridge Unit installed, only the BN3110

          Inviato dal mio SM-G935F utilizzando Tapatalk
          Memento Audere Semper

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