Muratec MFX 2850 paper jamming issue

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  • yormets
    Trusted Tech

    250+ Posts
    • May 2009
    • 336
    #1

    [Jamming] Muratec MFX 2850 paper jamming issue

    This machine continues to say paper jam in machine open cover C1. Sometimes the paper is there, sometimes it isn't. If I do single copies from the glass, sometimes the copy comes all the way out of the finisher and the machine says paper jam, open C1. Of course there is nothing there because the copy came out. Other times it gets ready to feed paper and it errors out without even picking up the paper, open C1. I've cleaned the registration and fuser exit sensors. I've removed the finisher. All trays do the same thing. It may run a half a dozen before erroring out, or it will error four times in a row with the paper in a different position inside C1. What is going on? Is there an error log I can access to see what is tripping off. I've got the manual but can't find an error log. Help!
    Roy
    Tags: None
    • mo0651
      Service Manager

      1,000+ Posts
      • Apr 2009
      • 1054
      #2
      Re: Muratec MFX 2850 paper jamming issue

      Probably the fuser exit sensor. it is either knocked out of position or when the machine runs it gets hot and starts flaking out.

        Comment

        • JustManuals
          Field Supervisor

          5,000+ Posts
          • Jan 2006
          • 9838
          #3
          Re: Muratec MFX 2850 paper jamming issue

          This Parts & Service Manual can now be purchased for $12.77 and downloaded immediately after payment from

          Just Manuals ~ The Internet's largest selection of manuals ~ Instant Downloads

          Paul@justmanuals.com

            Comment

            • yormets
              Trusted Tech

              250+ Posts
              • May 2009
              • 336
              #4
              Re: Muratec MFX 2850 paper jamming issue

              I failed to mention the drum unit is scraped bare on the rear side and is leaving three to four charge lines across the image. Could it be arcing out? Causing all these weird symptoms?

                Comment

                • yormets
                  Trusted Tech

                  250+ Posts
                  • May 2009
                  • 336
                  #5
                  Re: Muratec MFX 2850 paper jamming issue

                  Tomorrow I'm going equipped with a new drum and fuser exit sensor. I'm also bringing the complete transfer section containing the registration sensor. If it ain't any of these, I give up.
                  Roy

                    Comment

                    • mo0651
                      Service Manager

                      1,000+ Posts
                      • Apr 2009
                      • 1054
                      #6
                      Re: Muratec MFX 2850 paper jamming issue

                      Does your machine have a duplex installed? The sensor in the reversing (turnover) unit can fail also.

                        Comment

                        • stevel
                          Technician

                          50+ Posts
                          • Oct 2010
                          • 53
                          #7
                          Re: Muratec MFX 2850 paper jamming issue

                          been there and done over thirty times. its a random problem with jamming and always comes back to the same part on the mfx-2850 and the mfx-2830 series. the part is called a clutch, muratec part # is DA14238060. this part is mounted on the shaft with the feed tire and pickup tire. it is a white hub with one way bearings in it. you can try to clean but it will fail again. clean shaft with scotch brite pad and clean new clutch. you will need to use 2 per feed unit. it will make you copier take off and no more jams. as an added measure, check the nylon catch for the cassette (it should be black for new style). also tray 1 should have a small metal plate on rear of tray where switch touches top of tray. you can use a dime on the plate as a spacer, just remember that new spacer has a 100% MARKUP TO THE CUSTOMER

                            Comment

                            • yormets
                              Trusted Tech

                              250+ Posts
                              • May 2009
                              • 336
                              #8
                              Re: Muratec MFX 2850 paper jamming issue

                              I threw it out and replaced it with an HP 4345mfp. I had never been so frustrated in my life.

                                Comment

                                • stevel
                                  Technician

                                  50+ Posts
                                  • Oct 2010
                                  • 53
                                  #9
                                  Re: Muratec MFX 2850 paper jamming issue

                                  that is a good hp! it is a shame, that copier is so easy and all my customers love the ease of print and color scan to folder/pc. if you still have it, you might want to fix it. it is a good money maker. thanks

                                    Comment

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