950 w/ folding finisher j72-18 jams

[PB_IGI_OCE_CANON]

We have several KM 950s with the folding finishers (FS 611) that jam before the entrance of the stacker unit. The jam code is 72-18. We have replaced the punch, punch board, 2 gates after punch, 1 way rollers, and foam rollers just before stacker entrance.

The original finisher with this issue had 2 million clicks. We now have another unit with the same symptoms that only has 80K as it is a new unit.

[minimerlin]

If I remember the large clear guide marked FN3? gets quite deep nicks in the ribbed running surface and this causes the jams. It is a bit of a beast to change as it is the one at an angle and is held in by a clip at the top rear pivot!