Ricoh MP5000 Tray 1 Jamming

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  • djstyling
    Junior Member
    • Dec 2014
    • 3
    #1

    [Jamming] Ricoh MP5000 Tray 1 Jamming

    This is kind of strange. Tray 1 feeds the 1st paper out and copies fine. The issue is it partially feeds out the next page. If you try to make multiple copies it jams as it seems to be overfeeding the paper.

    I have changed all the rollers, separation clutch, electo mag feed clutch. I then also changed the entire feed unit. Same problem.

    All other cassettes feed perfectly.

    Its like the feed clutch stays on too long but I have swapped it out with 2 other working ones.

    Any ideas?
    Tags: jamming, mp5000. tray 1, ricoh
    • logrady2331
      Trusted Tech

      250+ Posts
      • Feb 2011
      • 301
      #2
      Re: Ricoh MP5000 Tray 1 Jamming

      When you say you swapped out the feed unit, did you put a new one or a unit from another machine? Unless it was new you need to clean all the one ways on the feed unit. I find it easier to take the duplex unit off the machine, that way you can get to both feed units and not break the feed guides. Remove the feed roller and the shaft. You will see three shiny spots on the shaft that need to be roughed up (fine file or piece of sandpaper). LIGHTLY oil all bras bushings and put it back together. It will be super quite again and will stop double feed/short feed/no feeds.

        Comment

        • ptrflrs
          Glorified Parts Swapper

          100+ Posts
          • Dec 2010
          • 192
          #3
          Re: Ricoh MP5000 Tray 1 Jamming

          Sounds like it might could be clutch staying on causing stream feeding. Check the clutch signal to a working tray with same paper size/weight then compare to bad one. If clutch is staying on look for a pinched wire, loose harness, and I believe that the bicu board controls this so it could be worth to swap test this board.
          jesus loves you! (everyone else thinks you're an assh*le)
          street cred: CompTIA A+ & Network+ Certified; Konica Minolta Gold Seal x2,
          Konica Minolta Outward ASSociate, Ricoh, Sharp, Lexmark trained

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            • leo34staffs
              copierman

              Site Contributor
              500+ Posts
              • Aug 2007
              • 503
              #4
              Re: Ricoh MP5000 Tray 1 Jamming

              I have had a similar issue where the next sheet is partially fed out. I know you have changed the feed unit but I would check the sensor that is just above where the lead edge of the paper sits. This detects when the paper has left the tray. If it's not working correctly it will do as you have described. Worth a try.
              Networking skills are advantageous but use of a 3m vacuum cleaner is essential

                Comment

                • djstyling
                  Junior Member
                  • Dec 2014
                  • 3
                  #5
                  Re: Ricoh MP5000 Tray 1 Jamming

                  Sorry , I did forget to mention I did replace all rollers, sep clutch and resurface the shaft on both feed units. The replacement feed unit came from a working machine as well.

                  It is kind of strange, its like the feed clutch stays on just a little too long.

                    Comment

                    • shamnad abdullah
                      service engineer
                      • May 2015
                      • 24
                      #6
                      Re: Ricoh MP5000 Tray 1 Jamming

                      The pick up solenoid on and off timing depends on trailing edge detection by the paper feed sensor.I thing paper feed sensor of your machine causing this problem.This sensor also controls the paper feed clutch on&off timing.you can check the sensor in service mode as follows
                      service mode--->copier--->5803(input check)--->013(paper feed sensor)
                      try to block the sensor manually and check whether the value changing or not.

                        Comment

                        • Debs1964
                          Service Manager

                          1,000+ Posts
                          • Oct 2010
                          • 1693
                          #7
                          Re: Ricoh MP5000 Tray 1 Jamming

                          Is the dust collector still on the registration roller, if that's missing it causes jamming from tray 1 predominantly
                          There are 10 types of people in this world, those who understand binary maths and those who don't

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                            • djstyling
                              Junior Member
                              • Dec 2014
                              • 3
                              #8
                              Re: Ricoh MP5000 Tray 1 Jamming

                              OK, got it sorted out.

                              It was the paper feed sensor not activating. But it wasn't the sensor itself, as that was changed when I swapped the entire feed unit.

                              It was the connector from the feed unit to wiring harness. Perhaps a pinched wire or oxidized connector.

                              Thanks.

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