Read Sharp AR-F13 (serv.man2) Service Manual online
AR-F13 OPERATIONAL DESCRIPTION 4-9
D.Stapler Unit
The staple/fold motor (FFSM) is used to perform stapling operation. This
motor rotates the cam one turn for stapling. The home position of this
cam is detected by the staple home position sensor (STHPS).
The staple/fold motor is rotated in the forward or reverse direction under
The staple/fold motor is rotated in the forward or reverse direction under
the control of the macro computer (IC13) on the finisher controller PCB.
When the staple home position sensor is OFF, the finisher controller
PCB rotates the staple/fold motor in the forward direction until the sensor
PCB rotates the staple/fold motor in the forward direction until the sensor
turns ON, allowing the staple cam to the original position.
The staple empty sensor (SPS) is used to detect presence/absence of a
staple cartridge in the machine and presence/absence of staples in the
staple cartridge in the machine and presence/absence of staples in the
cartridge.
The stale top position sensor (SS) is used to determine whether staples
are pushed up to the top of the staple cartridge.
are pushed up to the top of the staple cartridge.
The finisher controller circuit does not drive the staple/fold motor (FFSM)
unless the staple safety switch (SSS) is ON (the swing guide is close).
This assures safety in case where you happen to put your finger in the
This assures safety in case where you happen to put your finger in the
stapler.
(1)Stapler Movement Controller
The stapler unit is moved by the slide motor (FSM). Its home position is
detected by the slide home position sensor (SHPS). The stapler waits at
the back irrespective of the staple mode and paper size. After paper has
the back irrespective of the staple mode and paper size. After paper has
been stacked on the processing tray, the stapler is moved to the
specified stapling position in response to the stapling command from the
host machine.
host machine.
The standby position of the stapler and the stapling position depending
on the staple mode are shown below.
a.Front 1-point stapling
The stapler waits at the back. The stapler moves to and returns from the
stapling position for each stapling operation.
b.Rear 1-point stapling
The stapler waits at the back. The stapling position is the same as the
standby position.
c.Middle 2-point stapling
The stapler waits at the back. The stapler moves to and returns from the
stapling position for each stapling operation. The stapler first staples a
paper stack at the rear stapling position and then staples it at the front
paper stack at the rear stapling position and then staples it at the front
stapling position.
Finisher controller PCB
Staple/hold motor dr
iv
e signal
Staple top position detect signal
Staple empty detect signal
Staple home position detect signal
M7
Feed direction
Stapling position
Stopper
Stapler
Standby position
Feed direction
Stapler
Stopper
Standby position
Stabling position
Stabling position
Feed direction
Standby position
Stapler
Stapling position
Stopper
Stapling position
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