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  1. #11
    Technician
    Join Date
    Aug 2015
    Location
    Camp Hill, PA
    Posts
    24
    Rep Power
    9

    Re: MX-M904 Finisher Jams in the Saddle Fold entrance area.

    The finisher is used. I don't know exactly what you are asking but since its used there have been thousands of sheets through finisher. If you are just asking how many sheets make it when doing the saddle jobs then I can say that it completes about 4 to 6 books of 6 or 8 sheets fine and then it jams.

    it only jams on saddle fold and stitch.

  2. #12
    Trusted Tech 50+ Posts
    Join Date
    Nov 2016
    Location
    Bremen
    Posts
    97
    Rep Power
    7

    Re: MX-M904 Finisher Jams in the Saddle Fold entrance area.

    Hi

    please control this part
    0cwfc93369001 old number
    0cwfc93369004 new number

    Have had it broken at MX-M904 with MX-FN22

    Parts manual MX-FN22 Section 21 ( Upper Feed Guide Assembly ) No.7

  3. #13
    Technician
    Join Date
    Aug 2015
    Location
    Camp Hill, PA
    Posts
    24
    Rep Power
    9

    Re: MX-M904 Finisher Jams in the Saddle Fold entrance area.

    I upgraded to the latest firmware. I still get the same finisher jams in the saddle entrance. 2 to 3 sheets usually are jammed at the top transport entrance area. I ran about 40 books and it jammed about 7 to 10 times. One or two of the books even came out of the finisher with the pages out of order.

    Any other clues?

    I did look at the paper feed rollers and assemblies and did not find any broken parts as per the last suggestion section 21, item 7.

    If you know of any other things to try please let me know.

    Thanks

  4. #14
    Field Supervisor 500+ Posts
    MX-M904 Finisher Jams in the Saddle Fold entrance area.

    mansart's Avatar
    Join Date
    Apr 2009
    Posts
    508
    Rep Power
    34

    Re: MX-M904 Finisher Jams in the Saddle Fold entrance area.

    I would start by swapping out the inlet sensor FSS201
    fn22.JPG

    If multiple pages are bunching up at Saddle inlet port roller, that would indicate .....

    1. Roller is sometimes not being driven....is there a one way bearing in drive train of this roller?

    2. paper is entering at an incorrect angle to hit the nip between inlet roller and mating guide roller....
    gate adj.JPG

  5. #15
    Technician
    Join Date
    Aug 2015
    Location
    Camp Hill, PA
    Posts
    24
    Rep Power
    9

    Re: MX-M904 Finisher Jams in the Saddle Fold entrance area.

    I replaced the sensor. I adjusted the solenoid for the entrance gate. Still jams. I found that the entrance plate on the saddle assembly was crooked a little bit. I loosened it up and re-mounted it properly. Also found the entrance are had a bent piece of guide plastic. I fixed that as well. Cleaned all the drive rollers from the top entrance all the way in to the folder.

    Still jams.

    I don't know what else to do except start replacing all the rollers etc...

    So, I found another used finisher without the 3 hole punch and cutter. I may just take that one over and connect it just to get it running. The customer only needs saddle stitch and saddle fold.

    If you have any ideas let me know. It may be something crazy like a bent frame or a warped shaft.

    I will keep you all posted.

    Thanks for all the help so far.

  6. #16
    Senior member of CRS 2,500+ Posts
    MX-M904 Finisher Jams in the Saddle Fold entrance area.

    ZOOTECH's Avatar
    Join Date
    Jul 2007
    Location
    Insane Diego, CA
    Posts
    3,154
    Rep Power
    90

    Re: MX-M904 Finisher Jams in the Saddle Fold entrance area.

    Try the finisher without the punch unit; I would be surprised if the jams still occurred. The punch units had a problem of 'gumming' up, and causing jams.
    "You can't trust your eyes, if your mind is out of focus" --

  7. #17
    Technician
    Join Date
    Aug 2015
    Location
    Camp Hill, PA
    Posts
    24
    Rep Power
    9

    Re: MX-M904 Finisher Jams in the Saddle Fold entrance area.

    ah ha, ok. I will get one delivered and try it out. I will keep you posted.

    Thanks for all the help.

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