Sharp SF-S55N Service Manual page 111

20-bin staple sorter
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SF-S55N
3) Stapler unit direction detection
The stapler unit is provided with the stapler direction
sensor (S1) to detect direction of stapler unit.
The stapler direction sensor (S1) consists of two
photointerrupters. Each photointerrupter detects that
the direction of stapler unit with respect to the paper is
(Corner stapling)
4)
Stapler unit direction change operation timing chart
(Double stapling)
Stapler unit shift
motor (M3)
Stapler unit position
fixing pawl releasing
solenoid (SL2)
Corner
Stapler
stapling
direction
position
sensor (S1)
Double/single
stapling
position
Stapling operation
Stapler unit shift start signal
45゜ (corner stapling position) or 90¯ (double/single
stapling position), and sends the obtained data to the
microcomputer provided on the sorter controller PWB.
(Double/single stapling)
Stapler unit position fixing
pawl engagement verification
9−41

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