DF3040 ARDF jams

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  • gestetner tech
    Technician
    • Nov 2009
    • 45
    #1

    DF3040 ARDF jams

    Hi folks
    i am having a strange papper jam on this feedr. It can jam after 1 papper and then it can work 50 pappers and no jam
    I have mounted new feedrollers and rubber band and retard roller, checked the sensors in service mode.
    It always stops on the same place all the time. see photo
    i have cleanded the rollers in papper path.
    I am out of ideas.

    any help ?
    Thanksjam.jpg
    Tags: jam, place, sensors, service
    • Cipher
      It's not easy being green

      1,000+ Posts
      • May 2006
      • 1309
      #2
      Re: DF3040 ARDF jams

      Is it only jamming on hole punched originals (as pictured)?
      • Knowledge not shared, is eventually knowledge that becomes lost... like tears in the rain.

      Fully qualified technician for Ricoh - Canon - Sharp - HP - Brother

        Comment

        • gestetner tech
          Technician
          • Nov 2009
          • 45
          #3
          Re: DF3040 ARDF jams

          Originally posted by Cipher
          Is it only jamming on hole punched originals (as pictured)?

          Hi no
          But i found the problem, The skewsensor are looking at some velvet material supposed to be Black it was a very thin layer of dust on it reflecting. so the sensor thought that the papper was still there.

            Comment

            • mrwho
              Major Asshole!

              Site Contributor
              2,500+ Posts
              • Apr 2009
              • 4303
              #4
              Re: DF3040 ARDF jams

              Originally posted by gestetner tech
              Hi no
              But i found the problem, The skewsensor are looking at some velvet material supposed to be Black it was a very thin layer of dust on it reflecting. so the sensor thought that the papper was still there.
              You beat me to it.
              ' "But the salesman said . . ." The salesman's an asshole!'
              Mascan42

              'You will always find some Eskimo ready to instruct the Congolese on how to cope with heat waves.'
              Ibid

              I'm just an ex-tech lurking around and spreading disinformation!

                Comment

                • slimslob
                  Retired

                  Site Contributor
                  25,000+ Posts
                  • May 2013
                  • 35063
                  #5
                  Re: DF3040 ARDF jams

                  Originally posted by gestetner tech
                  Hi no
                  But i found the problem, The skewsensor are looking at some velvet material supposed to be Black it was a very thin layer of dust on it reflecting. so the sensor thought that the papper was still there.
                  Very common problem. Machines in high dust environments need to be cleaned regularly.

                    Comment

                    • Vincent128
                      Trusted Tech

                      Site Contributor
                      250+ Posts
                      • Sep 2015
                      • 332
                      #6
                      Re: DF3040 ARDF jams

                      Originally posted by slimslob
                      Very common problem. Machines in high dust environments need to be cleaned regularly.
                      Remember the black felts that sensors would look at? .. black sharpie was always part of Total Call Procedure..could not clean the things for crap, you just painted all the dust black.

                        Comment

                        • slimslob
                          Retired

                          Site Contributor
                          25,000+ Posts
                          • May 2013
                          • 35063
                          #7
                          Re: DF3040 ARDF jams

                          Originally posted by Vincent128
                          Remember the black felts that sensors would look at? .. black sharpie was always part of Total Call Procedure..could not clean the things for crap, you just painted all the dust black.
                          Canned air has always worked for me and is a lot faster.

                            Comment

                            • Vincent128
                              Trusted Tech

                              Site Contributor
                              250+ Posts
                              • Sep 2015
                              • 332
                              #8
                              Re: DF3040 ARDF jams

                              Originally posted by slimslob
                              Canned air has always worked for me and is a lot faster.
                              old school analog machines - the felt would kinda melt'ish and no matter what you did, white specks would stay stuck in the felt.
                              The bigger minoltas's would puke ozone and the heat from those 2 halogen exposure lamps would make things worse, we had the same problem with analog ricoh and the 350/1030 series.

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