bizhub 350 with df-605 "jamming" but you open the cover and close it and jam clears

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  • danny464
    Technician

    Site Contributor
    50+ Posts
    • May 2019
    • 71

    bizhub 350 with df-605 "jamming" but you open the cover and close it and jam clears

    Bizhub 350 with df-605 was not responding when I got to the service call. The Pick up rollers were down and would not go up even if you close and open the top cover like they normally do. The copy button was flashing green. Also, you would not be able to use the adf, every time you tried to scan or copy the machine would use the glass. I turned it off and on and the adf started responding but every time you do a copy job it would mark a jam but the whole job went through. You only need to open and close the top cover and the jam message cleared. You could copy 20 and most of the time the 20 will go through but will always mark a jam at the end. I cleaned the sensors and did the adf sensor calibration in service mode but issue persists. Im thinking probably a sensor went bad and its the first thing ill try replacing but was wondering if anyone else has had this issue recently and if I should take any other parts to the call. Thank you in advance.
    Also, I don't usually work on konica minoltas so if I need to clarify anything just let me know.
  • Leyahné
    Technician
    • Feb 2016
    • 44

    #2
    Re: bizhub 350 with df-605 "jamming" but you open the cover and close it and jam clea

    There is a sensor underneath in the ADF with a velvet type surface the is causing the jams

    Sent from my SM-N960F using Tapatalk

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    • copytechman
      Senior Tech

      Site Contributor
      500+ Posts
      • Nov 2008
      • 915

      #3
      Re: bizhub 350 with df-605 "jamming" but you open the cover and close it and jam clea

      There is a sensor underneath in the ADF with a velvet type surface the is causing the jams

      Sent from my SM-N960F using Tapatalk
      Also a mirror type reflector that gets really dirty too.

      Right in the first turnaround chute.

      Regards!
      A.

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      • scanmc
        Trusted Tech

        Site Contributor
        100+ Posts
        • Mar 2015
        • 171

        #4
        Re: bizhub 350 with df-605 "jamming" but you open the cover and close it and jam clea

        Originally posted by copytechman
        Also a mirror type reflector that gets really dirty too.

        Right in the first turnaround chute.

        Regards!
        A.
        You said that you could scan 20 pages and the last one exiting it would show jam? if this is the case I would make sure the exit flag on adf isn't hanging up on the last page that is exiting

        Comment

        • tsbservice
          Field tech

          Site Contributor
          5,000+ Posts
          • May 2007
          • 7635

          #5
          Re: bizhub 350 with df-605 "jamming" but you open the cover and close it and jam clea

          Jam code will point you to the faulty sensor.
          A tree is known by its fruit, a man by his deeds. A good deed is never lost, he who sows courtesy, reaps friendship, and he who plants kindness gathers love.
          Blessed are they who can laugh at themselves, for they shall never cease to be amused.

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          • blackcat4866
            Master Of The Obvious

            Site Contributor
            10,000+ Posts
            • Jul 2007
            • 22702

            #6
            Re: bizhub 350 with df-605 "jamming" but you open the cover and close it and jam clea

            Usually when all the originals feed, then shows a jam after the last page has cleared, it's usually a problem with the original detection sensor or flag. I haven't looked at a 350 in ages, but it's be something to do with that. =^..^=
            If you'd like a serious answer to your request:
            1) demonstrate that you've read the manual
            2) demonstrate that you made some attempt to fix it.
            3) if you're going to ask about jams include the jam code.
            4) if you're going to ask about an error code include the error code.
            5) You are the person onsite. Only you can make observations.

            blackcat: Master Of The Obvious =^..^=

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            • Woxner
              Senior Tech

              500+ Posts
              • Jul 2011
              • 810

              #7
              Re: bizhub 350 with df-605 "jamming" but you open the cover and close it and jam clea

              clean the little mirror that sits vertical in the feed guide. also if the rollers wont come up when closing the top cover ck the clutch and spring. sometimes it will hang the rollers down too far and they wont be retracted all the way and holds the paper set lever down lever down. common on this feeder

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              • danny464
                Technician

                Site Contributor
                50+ Posts
                • May 2019
                • 71

                #8
                Re: bizhub 350 with df-605 "jamming" but you open the cover and close it and jam clea

                Thank you all for the help! Service call should be this week or next, will update on what ends up fixing it, thanks!

                Comment

                • danny464
                  Technician

                  Site Contributor
                  50+ Posts
                  • May 2019
                  • 71

                  #9
                  Re: bizhub 350 with df-605 "jamming" but you open the cover and close it and jam clea

                  Replaced the sensor in the document feeder door(the one with feed and pick up rollers) and that fixed the issue. Thanks again everyone!

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