Konica 951 Fs532

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  • jaredfmn
    Technician
    • Sep 2008
    • 25

    #1

    Konica 951 Fs532

    We have a pro 951 B&W that the finisher when doing sorting single sided copies or printing. The copies will sometimes fly off the lower exit tray or stack unevenly. We have swapped the entire finisher and the problem still persists????? Any suggestions? the firmware is up to date as well.
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  • fajdoooo
    Technician
    • Jul 2014
    • 18

    #2
    Re: Konica 951 Fs532

    Originally posted by jaredfmn
    We have a pro 951 B&W that the finisher when doing sorting single sided copies or printing. The copies will sometimes fly off the lower exit tray or stack unevenly. We have swapped the entire finisher and the problem still persists????? Any suggestions? the firmware is up to date as well.
    Hello,

    I had a similar problem on the device pro950 with FS-528. On the upper part of the output shelves , I glued a more hard plastic which pressure the paper down against the shelf. It was assumed that the paper slowly comes to shelves and for this reason , the following are bumps into him. I wil put some pic next time I will be at the coustomore.
    BR

    Comment

    • manuelcorrea
      Technician
      • May 2009
      • 46

      #3
      Re: Konica 951 Fs532

      It's weird that both finishers would do the same thing. Check the springs that are behind the 4 fingers that press down on the stack of paper. Sometimes they break.

      Comment

      • fajdoooo
        Technician
        • Jul 2014
        • 18

        #4
        Re: Konica 951 Fs532

        Originally posted by manuelcorrea
        It's weird that both finishers would do the same thing. Check the springs that are behind the 4 fingers that press down on the stack of paper. Sometimes they break.
        I found some pic. what happend at my finisher. If someone had any IDEA how to fix it, please helpIMG_0371.jpgIMG_0378.jpgIMG_0377.jpg

        Comment

        • habik
          Service Manager

          Site Contributor
          1,000+ Posts
          • Apr 2010
          • 2013

          #5
          Re: Konica 951 Fs532

          Shit Paper. Try landscape print!


          Sent from my iDon't believe in marketing device using Tapatalk
          .OK Google! ... will I need Berrocca this morning?
          Firmwares HERE

          Comment

          • fajdoooo
            Technician
            • Jul 2014
            • 18

            #6
            Re: Konica 951 Fs532

            Originally posted by habik
            Shit Paper. Try landscape print!


            Sent from my iDon't believe in marketing device using Tapatalk
            I tried vith 3 diferent papers, same sh.. I tried landscap and it was bether, but same sh.. I even replace finisher vith new one, and it was ok for around 2,5 mio prints. Then the problem come back. Any sugsetion?

            Comment

            • fajdoooo
              Technician
              • Jul 2014
              • 18

              #7
              Re: Konica 951 Fs532



              This is how we temporary solved a problem

              Comment

              • habik
                Service Manager

                Site Contributor
                1,000+ Posts
                • Apr 2010
                • 2013

                #8
                Re: Konica 951 Fs532

                Nice one

                I wonder, have you tried adding anti-static brush to the exit section of the finisher and ground the brush and the tray?


                Sent from my iDon't believe in marketing device using Tapatalk
                .OK Google! ... will I need Berrocca this morning?
                Firmwares HERE

                Comment

                • fajdoooo
                  Technician
                  • Jul 2014
                  • 18

                  #9
                  Re: Konica 951 Fs532

                  Yes I did. The maschine is all metall, and the finisher is also metall.

                  Comment

                  • blackcat4866
                    Master Of The Obvious

                    Site Contributor
                    10,000+ Posts
                    • Jul 2007
                    • 22927

                    #10
                    Re: Konica 951 Fs532

                    Has anyone found a more permanent solution? For me, it's stapled sets of two pages. The staple makes one end significantly thicker, and the stacks leans and twists. It seems to affect thicker sets much less. =^..^=
                    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 =^..^=

                    Comment

                    • JR2ALTA
                      Service Manager

                      Site Contributor
                      1,000+ Posts
                      • Feb 2010
                      • 2028

                      #11
                      Re: Konica 951 Fs532

                      Originally posted by blackcat4866
                      Has anyone found a more permanent solution? For me, it's stapled sets of two pages. The staple makes one end significantly thicker, and the stacks leans and twists. It seems to affect thicker sets much less. =^..^=
                      These issues have been caused by a cracked or broken "Rotation Shaft Assembly". I've done 3 or 4. p/n a4f3r70b11

                      Basically there are two lower paddles in addition to the two upper paddles that knock down the paper. Here we're talking about the lower paddles.

                      two hints

                      1) there are 2 extra clips on the assembly you're removing to use when you drop one.

                      2) a dab of grease always helps c-clips defy gravity.

                      Comment

                      • blackcat4866
                        Master Of The Obvious

                        Site Contributor
                        10,000+ Posts
                        • Jul 2007
                        • 22927

                        #12
                        Re: Konica 951 Fs532

                        The flippy arms are brand new, just changed. The front one was cracked at the shaft.

                        I did fix it, though, to my great surprise.
                        I have two of these side by side, so I got my keyop to set up an offset job on each machine, then I would sit and watch each machine to see the differences. I tried fajdoooo's trick of setting up the ruler to hang at the leading edge. I noticed that when I set up the ruler to overlap the top of the stack by 6mm, the top-of-the-stack height changed considerably. I expected some variation, but not 15mm or more.

                        Then I noticed that the grippers that tap the top of the stack were coming up short of touching the paper stack by 6mm or more. Also I noticed that the upper limit sensor LED1 was at the top of the slot at the front, and PS14 was at the bottom of the slot at the rear and bottomed out in it's adjustment.

                        When I raised the PS14 at the rear by 8mm, then both the front and back (sender and receiver) were even at the top of the slot in the cover. The dangling ruler detected variation of ~6mm, and the grippers tapped the paper stack every time. As a consequence the offset stack is perfectly even and true.

                        I believe the wild variation in height means that the side tappers are sometimes not touching the side of the stack, and the grippers are not keeping the stack steady, letting static move the paper around. As a side benefit, we're no longer getting the message "The tray is full. Please remove the paper from the tray." after only 300 or 400 pages, sometimes less. And when you do need to remove the paper, the message clears, which it didn't do before. I believed that it had something to do with the sensor in the center of the elevator tray, but in truth, it's the relationship between PS14 elevator tray upper limit, and PS46 near tray empty sensor. Essentially when the elevator tray is empty and lifting, PS46 and PS14 must trip about at the same time.

                        I hope that helps somebody. I sure did a lot of head scratching over this one. =^..^=
                        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 =^..^=

                        Comment

                        • habik
                          Service Manager

                          Site Contributor
                          1,000+ Posts
                          • Apr 2010
                          • 2013

                          #13
                          Re: Konica 951 Fs532

                          Well done BlackCat and thank you for the solution!


                          Sent from my iDon't believe in marketing device using Tapatalk
                          .OK Google! ... will I need Berrocca this morning?
                          Firmwares HERE

                          Comment

                          • allan
                            RTFM!!

                            5,000+ Posts
                            • Apr 2010
                            • 5459

                            #14
                            Re: Konica 951 Fs532

                            There is stack settings that needs to be completed on setup and when a FS is changed.
                            Whatever

                            Comment

                            • allan
                              RTFM!!

                              5,000+ Posts
                              • Apr 2010
                              • 5459

                              #15
                              Re: Konica 951 Fs532

                              Just checked the manual. The finisher adjustment is very comprehensive. it's possible to adjust for both main and sub scan misalignment. I was warned about this problem in training.
                              Whatever

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