Paper Jamming in Ricoh MP4500

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  • mdfurqan2012
    Trusted Tech
    • May 2013
    • 194

    #1

    Paper Jamming in Ricoh MP4500

    Dear All,

    I have Ricoh MP4500 having jamming issue only when we make duplex copies. if we give a command of 30 copies in duplex, first time paper missfeed on 9th copy with jam code J016, paper stops at enterance of duplex, in second time paper jam on 18th copy and than on 27th copy.

    I check and service duplex transport roller and solinide, and also service interchange unit. but no success.

    Kindly guide me.

    Thanks
  • NeoMatrix
    Senior Tech.

    2,500+ Posts
    • Nov 2010
    • 3513

    #2
    Re: Paper Jamming in Ricoh MP4500

    Possibly the bridge cover switches are togging on/off at random, replace all the switches.
    Replace the photo interrupters in the fuser section, they become sluggish and react slowly to paper detection.
    Unplug the unused tray paper full sensor at the exit rollers.

    What does the SMC report say ?

    HTH
    Inauguration to the "AI cancel-culture" fraternity 1997...
    •••••• •••[§]• |N | € | o | M | Δ | t | π | ¡ | x | •[§]••• ••••••

    Comment

    • mdfurqan2012
      Trusted Tech
      • May 2013
      • 194

      #3
      Re: Paper Jamming in Ricoh MP4500

      Originally posted by NeoMatrix
      Possibly the bridge cover switches are togging on/off at random, replace all the switches.
      Replace the photo interrupters in the fuser section, they become sluggish and react slowly to paper detection.
      Unplug the unused tray paper full sensor at the exit rollers.

      What does the SMC report say ?

      HTH
      Machine works perfectly when we make 500 copies in simplex mode without any misfeed trouble, problem is in duplex mode only.

      Comment

      • slimslob
        Retired

        Site Contributor
        25,000+ Posts
        • May 2013
        • 37503

        #4
        Re: Paper Jamming in Ricoh MP4500

        Originally posted by mdfurqan2012
        Machine works perfectly when we make 500 copies in simplex mode without any misfeed trouble, problem is in duplex mode only.
        Then I would look to the sensors on the duplex unit, or a gate sticking.

        Comment

        • NeoMatrix
          Senior Tech.

          2,500+ Posts
          • Nov 2010
          • 3513

          #5
          Re: Paper Jamming in Ricoh MP4500

          Originally posted by mdfurqan2012
          Machine works perfectly when we make 500 copies in simplex mode without any misfeed trouble, problem is in duplex mode only.
          I've had rubbish jambed behind the transfer units.
          Check the main hinges in the transfer unit. I've had these break and give intermittent duplex jambs.


          HTH
          Inauguration to the "AI cancel-culture" fraternity 1997...
          •••••• •••[§]• |N | € | o | M | Δ | t | π | ¡ | x | •[§]••• ••••••

          Comment

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