Read Sharp AR-M35 / AR-M450 (serv.man8) Service Manual online
AR-350/450 BASIC PAPER TRANSPORT PATH AND PAPER EXIT 3-9
B. Stapling Operation
(1) Outline
Staple operation is performed to staple a specified sheets of paper using
a stapler unit.
a stapler unit.
The stapling position depends on the staple mode and paper size.
When the machine starts immediately after power-on, the finisher
controller PCB drives the slide motor (FSM) to return the stapler unit to
controller PCB drives the slide motor (FSM) to return the stapler unit to
the home position. The stapler unit starts moving toward the front of the
stapler frame. It stops when the slide home position sensor (SHPS) on
the slide PCB located under the stapler unit. Next, the slide motor is
the slide PCB located under the stapler unit. Next, the slide motor is
driven a specified number of pulses. The stapler unit moves to rear
standby position at the back of the machine, entering the standby state.
(2) Stapling Operation
When stacking and alignment of paper on the processing tray are
complete, the finisher controller PCB drives the paddle motor (FPM) in
the reverse direction and lowers the swing guide. When the swing guide
the reverse direction and lowers the swing guide. When the swing guide
descends, the paper stack is sandwiched between the upper and lower
stack delivery rollers.
The finisher controller PCB moves the stapler for stapling according to
The finisher controller PCB moves the stapler for stapling according to
the specified stapling position (when rear 1-point stapling is specified,
the stapler does not move but it staples at the standby position). As the
stapler moves forward, the processing tray stopper is folded forward.
stapler moves forward, the processing tray stopper is folded forward.
Sensor
Simbol Connector
Function
Remarks
Slide home
position sensor
position sensor
SHPS
CN11-3
Detects the home
position for the stapler
moving back and forth.
position for the stapler
moving back and forth.
-
Staple home
position sensor
position sensor
STHPS CN11-4
Detects the home
position for the stapling
operation
position for the stapling
operation
In the
stapler
stapler
Staple empty
sensor
sensor
SPS
CN11-5
Detects presence or
absence of staples in
the cartridge.
absence of staples in
the cartridge.
In the
stapler
stapler
Staple top
position sensor
position sensor
SS
CN11-6
Detects the staple top
position.
position.
In the
stapler
stapler
Function
Motor
Symbol
Remarks
Moves the stapler.
Slide motor
FSM
-
Performs stapling operation.
Staple/fold motor
FFSM
-
Paper stack
Slide motor
(FSM)
Stapler
Slide home position sensor (SHPS)
Light-shielding plate
(Deliver direction)
Stapler
Swing guide
Stack delivery roller (upper)
Stack
delivery
roller
(lower)
Processing tray stopper
Paper stack
Delivery tray
Paddle motor (FPM)
Swing guide home
position sensor (ARHPS)
position sensor (ARHPS)
Light-shielding plate
Staple safety switch
(SSS)
(SSS)
Swing guide
Stack delivery roller
(upper)
Stack delivery roller
(lower)
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