Sr 3070 sc 798-04

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  • ash_572
    Senior Tech

    500+ Posts
    • Oct 2008
    • 523
    #1

    [Jamming] Sr 3070 sc 798-04

    I have a mp3352 with a sr3070 finisher jamming at 166 (exit motor) resulting in a sc 798-04 which is stack feed out motor error. Can't really see any blockages in the stack feed out mechanism. When it jams paper just sits there In the stack section and doesn't feed out on to the tray. Everything turns fine by hand. Any ideas??
    Thanks
    Tags: None
    • slimslob
      Retired

      Site Contributor
      25,000+ Posts
      • May 2013
      • 36808
      #2
      Re: Sr 3070 sc 798-04

      Could be the stack feed out Home Position sensor or the feed out motor. Since the paper stays on the staple table and does not feed out, I would say either the motor or the feed out belt is missing one of the feed out arms. The jam does not cause the SC. Finisher SC are first shown as jams and then if immediately repeated the SC is displayed.

        Comment

        • ash_572
          Senior Tech

          500+ Posts
          • Oct 2008
          • 523
          #3
          Re: Sr 3070 sc 798-04

          Originally posted by slimslob
          Could be the stack feed out Home Position sensor or the feed out motor. Since the paper stays on the staple table and does not feed out, I would say either the motor or the feed out belt is missing one of the feed out arms. The jam does not cause the SC. Finisher SC are first shown as jams and then if immediately repeated the SC is displayed.
          I have the feed out motor on order. The 2 feed out arms are attached to the belt and are fine.

            Comment

            • Bantams
              Senior Tech

              500+ Posts
              • Jun 2012
              • 603
              #4
              Re: Sr 3070 sc 798-04

              Id go with the feed out sensors little arm being broken off whilst the op cleared a jam.

                Comment

                • ash_572
                  Senior Tech

                  500+ Posts
                  • Oct 2008
                  • 523
                  #5
                  Re: Sr 3070 sc 798-04

                  Originally posted by Bantams
                  Id go with the feed out sensors little arm being broken off whilst the op cleared a jam.
                  Could you give us the part number for the feed out arm? So I can see what you mean. Thanks

                    Comment

                    • neergish
                      Trusted Tech

                      100+ Posts
                      • Feb 2008
                      • 177
                      #6
                      Re: Sr 3070 sc 798-04

                      Is that the one you clear by letting the tray drop to the lowest position, then restarting the machine? (From memory, one C-clip to dis engage the gear from the lift motor on the shaft that runs inside along the bottom of the unit.)
                      "See if you can rent a spring hook and a phillips screwdriver it will make your life that much easier..."

                        Comment

                        • ash_572
                          Senior Tech

                          500+ Posts
                          • Oct 2008
                          • 523
                          #7
                          Re: Sr 3070 sc 798-04

                          Hello everyone again

                          im still having an issue with this finisher sr3070 on a mp3352.
                          the error sc798-4 (stack feed out motor error)
                          customer says it always happen first thing in the morning. First it jams at code 166 (exit motor) and then at second attempt it throws an error code. Switch machine off/on and it works.
                          Firmware on machine and finisher are upto date.
                          feed out motor and lift motor are replaced with no effect.

                          Home me position sensor and stack feed out guides are all in place.

                          any help would be appreciated. Thanks

                            Comment

                            • slimslob
                              Retired

                              Site Contributor
                              25,000+ Posts
                              • May 2013
                              • 36808
                              #8
                              Re: Sr 3070 sc 798-04

                              My guess would be that the machine is getting colder than it likes over night. This is causing the stack feed out motor to run too slow the first couple of times. Try a light oil on the bushings for the stack feed out belt drive. Watch oil or sewing machine oil should work. Do not use WD40 as it can become gummy. Also avoid 3in1 oil as it can dry out and leave a lacquer film.

                                Comment

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