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58 Finisher unit explanation ENWW
M719 (folding knife) control
M719 (folding knife) drives the folding knife.
This knife is used when the mode is folding,
stitch-and-fold, or tri-folding.
The finisher CB (finisher control board)
controls the operation of M719.
The related signals are PS722 (folding knife
HP), PS725 (folding paper exit), and PS726
(folding passage).
1 Operation
PS726 (folding passage) detects the
paper and the booklet stopper stops at the
folding position. After a predefined time
period has elapsed since then, M719
(folding knife) is activated, letting the
folding knife protrude toward the paper.
The operation of PS726 ends when the
folding knife returns and the signal from
PS722 (folding knife HP) changes from H
to L.
a Finisher CB input signals
1 PS722 IN (PS722 to RB to finisher
CB)
Signal indicating whether the folding
knife is in the home position
[L]: In the home position
[H]: Not in the home position
2 PS726 IN (PS726 to RB to finisher
CB)
Signal indicating whether the paper
has passed through the folding
passage sensor.
[L]: Paper exists.
[H]: Paper does not exist.
b Finisher CB output signals
1 M719 DRV 1 and 2 (finisher CB to
RB)
Signal to activate or deactivate M719
c RB output signals
1 M719 DRV (RB to M719)
Signal to drive/control M709
24V
M719 DRV
5V
PS722 IN
GND
PS722
5V
PS725 IN
GND
PS725
5V
PS726 IN
GND
PS726
RB
24V
M719 DRV 1
M719 DRV 2
PS726 IN
PS725 IN
PS722 IN
FNS CBMAIN BODY
M719
DRV1 DRV2
Normal rotation H L
Reverse rotation L H
Halt L L