Sharp AR-F13 (serv.man2) Service Manual ▷ View online
AR-F13 OPERATIONAL DESCRIPTION 4-12
d.Folding/delivery
The paper pushing plate pushes in the center of the paper stack to feed it
toward the paper fold rollers. Then, the paper fold rollers and bind
delivery rollers deliver the paper stack to the bind tray.
C.Paper Feed System
(1)Outline
The paper feed system feeds a stack of sheets (coming from the finisher)
to the position where the center of the paper stack (stitching position) is
aligned to the stapler's staple, allowing the next step (stitching and
aligned to the stapler's staple, allowing the next step (stitching and
folding) to be performed.
When sheets of paper have been stacked and aligned on the processing
tray, the paddle motor (FPM) rotates in the reverse direction, causing the
tray, the paddle motor (FPM) rotates in the reverse direction, causing the
swing guide to descend. As the swing guide descends, the paper stack
is sandwiched between the upper and lower stack delivery rollers. The
delivery motor (FAM) rotates in the reverse direction, feeding the paper
delivery motor (FAM) rotates in the reverse direction, feeding the paper
stack toward the saddle unit. When the leading edge of the paper stack
reaches the folding position sensor (FPS), the finisher controller PCB
drives the delivery motor a specified number of motor pulses to stop the
drives the delivery motor a specified number of motor pulses to stop the
center of the paper stack (stitching position) at the stapler's staple
position. Before the paper stack passes through the stack feed rollers,
the feed motor (FFM) is driven to rotate the stack feed roller (lower) so
the feed motor (FFM) is driven to rotate the stack feed roller (lower) so
that the leading edge of the paper stack is not bent.
D.Stack Feed System
(1)Outline
The stack feed system feeds the stitched paper stack to the folding
position.
position.
When stitching is complete, the feed motor (FFM) rotates, causing the
stack feed roller (upper) to descend. The paper stack is sandwiched
between the stack feed rollers. Then, the bind clutch (FFC) is turned ON
between the stack feed rollers. Then, the bind clutch (FFC) is turned ON
to rotate the feed motor (FFM) in the forward direction, thus feeding the
paper stack to the folding position. The feed amount is equivalent to the
number of pulses used to drive the feed motor (FFM) until the paper
number of pulses used to drive the feed motor (FFM) until the paper
stack reaches the folding position.
E.Fold/Delivery System
(1)Outline
The paper fold mechanism consists of a guide plate, paper fold rollers,
and a paper pushing plate.
The guide plate, paper fold rollers, and paper pushing plate are driven by
the staple/fold motor (FFSM). The drive force is transferred with a
the staple/fold motor (FFSM). The drive force is transferred with a
combination of gears and cams. Motor operation is monitored by the
staple/fold motor lock sensor (FE).
Until the paper stack reaches the folding position, the guide plate covers
Until the paper stack reaches the folding position, the guide plate covers
the paper fold rollers to act as a paper path through which a paper stack
is fed to the saddle unit and to prevent a paper stack from touching the
rollers.
rollers.
A folding home position sensor (FHPS) is provided to detect the
positions of the paper fold rollers and paper pushing plate.
The paper stack folded in two by the paper fold rollers is delivered by
The paper stack folded in two by the paper fold rollers is delivered by
bind delivery rollers.
The bind delivery rollers are also driven by the staple/fold motor (FFSM).
A bind tray sensor (FES) is provided on the bind tray to detect presence/
A bind tray sensor (FES) is provided on the bind tray to detect presence/
absence of a paper stack; however, it is not used to detect a jam.
Paper fold rollers
Bind delivery rollers
Stack delivery roller (upper)
Paper stack
Stack delivery roller
(lower)
Stack feed roller (lower)
Fold position sensor
Stack feed roller (upper)
Stack feed roller (lower)
Feed amount
AR-F13 OPERATIONAL DESCRIPTION 4-13
(2)Paper Folding
Paper is folded using paper fold rollers and a paper pushing plate.
Almost concurrently with the start of roller rotation, the paper pushing
plate starts operating to push the paper stack into the gap between the
plate starts operating to push the paper stack into the gap between the
paper fold rollers. When the paper stack is fed about 10 mm with the
rotation of the paper fold rollers, the paper pushing plate returns to the
home position. Then, the paper stack is delivered to the bind tray using
home position. Then, the paper stack is delivered to the bind tray using
the paper fold rollers and bind delivery rollers.
Half the entire surface of each paper fold roller is uncovered excluding
the central area and the area at the left and right ends. The uncovered
the central area and the area at the left and right ends. The uncovered
surface of the upper paper fold roller comes in touch with the uncovered
surface of the lower paper fold roller only at the center and left and right
ends, allowing a paper stack to be fed without causing creases. The
ends, allowing a paper stack to be fed without causing creases. The
other half of the upper paper fold roller that is covered comes in touch
with the other half of the lower paper fold roller that is also covered,
allowing a paper stack to be folded while being fed.
allowing a paper stack to be folded while being fed.
FFSM
Paper fold roller (lower)
Paper fold roller (upper)
Paper pushing plate
Folding home position sensor (FHPS)
Sensor flag
Came
Paper stack
Staple/fold
motor
motor
FFSM
Paper fold roller (lower)
Paper fold roller (upper)
Folding
home position sensor (FHPS)
home position sensor (FHPS)
Paper pushing plate
Paper stack
Staple/fold
motor
motor
Folds/feeds a paper stack.
Feeds a paper stack.
Outlet
Inlet
Paper push plate
Paper stack
[Paper folding start position]
Feed motor (FFM)
Delivery motor (FAM)
Paddle motor (FPM)
Paddle home position
sensor (PHPS)
sensor (PHPS)
Swing guide home
position sensor (ARHPS)
position sensor (ARHPS)
Stapler safety switch
(SSS)
(SSS)
Slide motor (FSM)
Staple/fold motor (FFSM)
Staple home position
sensor (STHPS)
sensor (STHPS)
Folding position sensor
(FPS)
(FPS)
Stack feed roller (upper)
home position sensor (FRHPS)
home position sensor (FRHPS)
Binding cluch (FFC)
Folding home position
sensor (FHPS)
sensor (FHPS)
Bind tray sensor (FES)
CW rotation
CCW rotation
50msec
Staply
Fold, Delivery
13571msec
AR-F13 OPERATIONAL DESCRIPTION 4-14
6. Puncher Unit (option)
A. Basic Operations
(1)Outline
The puncher unit is an option, and is designed for installation to the
pickup assembly of the finisher. The puncher unit is not equipped with a
paper feeding mechanism, and the sheets from the host machine move
paper feeding mechanism, and the sheets from the host machine move
through the puncher unit and then the feed system of the finisher.
When the trailing edge of a sheet from the host machine reaches the
puncher unit, the sheet is stopped once, and the punch shaft is rotated to
puncher unit, the sheet is stopped once, and the punch shaft is rotated to
punch a hole along the trailing edge. These operations are controlled
with various commands from the finisher controller PCB as well as the
commands from the punch controller PCB.
commands from the punch controller PCB.
B.Punching Operation
(1)Outline
The puncher unit is located in the pickup assembly of the finisher, and is
used to punch holes in sheets that have been sent from the host
machine and stopped inside it. When the trailing edge of a sheet reaches
the puncher unit, the inlet roller of the finisher assembly stops the sheet
to punch a hole along the trailing edge of the sheet.
to punch a hole along the trailing edge of the sheet.
The punch unit consists of a die and hole puncher (punch blade).
The hole puncher is driven by the punch motor (FPNM). It is attached to
the eccentric cam of the punch shaft, and the rotation of the punch shaft
the eccentric cam of the punch shaft, and the rotation of the punch shaft
is converted into reciprocating motion for punching operation.
The punch motor (FPNM) is a DC motor. The home position of the punch
shaft is detected by the punch home position sensor (PI1P). To make
shaft is detected by the punch home position sensor (PI1P). To make
sure that the punch motor, which is a DC motor, stops exactly at its home
position, the punch motor is stopped in relation to the count of the clock
pulses kept by the punch motor clock sensor (PE).
pulses kept by the punch motor clock sensor (PE).
A single punching operation is executed by rotating the punch shaft 180×
from its home position.
As many as five light-receiving transistors (photosensor PCB) are
As many as five light-receiving transistors (photosensor PCB) are
mounted over the inlet paper path of the puncher unit; on the other hand,
as many as five LEDs (LED PCB) are mounted under the path, together
serving as five sensors. The frontmost sensor (LED5, PT5) is used to
serving as five sensors. The frontmost sensor (LED5, PT5) is used to
detect the training edge of sheets, and the remaining four (LED1 through
LED4, PT1 through PT4) are used as horizontal registration sensors to
detect the rear position of sheets when punching holes.
detect the rear position of sheets when punching holes.
The punch motor, punch unit, and sensors make up the punch slide unit,
which moves to the front/rear to suit the selected paper size. The
movement to the front/rear is driven by the horizontal registration motor
movement to the front/rear is driven by the horizontal registration motor
(FPSM). The home position of the punch slide unit is detected by the
horizontal registration home position sensor (PSHPS), and the horizontal
registration motor (FPSM) is a stepping motor.
registration motor (FPSM) is a stepping motor.
The punch motor and horizontal registration motor are controlled with
various commands from the finisher controller PCB as well as the
various commands from the finisher controller PCB as well as the
commands from the punch controller PCB.
The waste paper occurring as the result of punching is collected in the
waste paper case. The case is monitored by the LED121 on the waste
waste paper case. The case is monitored by the LED121 on the waste
full LED PCB and PT131 on the waste full photosensor PCB.
Finisher unit control system
Punch controller PCB
Punch drive system
Horizontal registration
drive system
Punch motor (FPNM) dr
iv
e
signal
Punch controller PCB (1/2)
W
aste full detection signal
(LED121, PT131) DFULL
Punch home position (XXXX)
detection signal PUNCHHP
Hor
iz
ontal registr
ation home position
(PSHPS) detection signal SREGHP
Punch controller PCB (2/2)
Punch motor cloc
k (PE)
detection signal PUNCHCLK
PT1
LED1
2
3
4
5
5
2
3
4
T
railing edge detection signal
(LED5, PT5) P
AEND
Hor
iz
onal registr
ation detection
signal (LED1~4, PT1~4) SREG1~4
Hor
iz
ontal registr
ation motor
(FPSM) dr
iv
e signal
PT131
LED121
AR-F13 OPERATIONAL DESCRIPTION 4-15
(2)Punching Operation
The hole puncher is driven by the punch motor (FPNM). The home
position for the hole puncher is detected by the punch home position
sensor (XXXX).
sensor (XXXX).
The punch unit comes in four types, selected to suit the country of
installation: 2-hole (Puncher Unit-J1), 2- and 3-hole (Puncher Unit-K1),
or two types of 4-hole (Puncher Unit-G1, Puncher Unit-H1).
or two types of 4-hole (Puncher Unit-G1, Puncher Unit-H1).
The 2-hole and 4-hole types punch a hole when the punch shaft is
rotated 180× from the home position, causing the punch to make a single
round trip. The 2-/3-hole type punches a hole, but the circumference of
round trip. The 2-/3-hole type punches a hole, but the circumference of
the punch shaft is divided into two (half for 2-hole and the other half for
3-hole).
a.2-Hole, 4-Hole Type
The home position is identified when the punch home position is ON.
The punching operation for the first sheet ends when the punch shaft has
rotated 180× and the punch home position sensor goes ON; the
punching operation for the second sheet ends when the punch shaft has
punching operation for the second sheet ends when the punch shaft has
rotated 180× in reverse and the punch home position sensor goes ON.
The punching operation takes place as follows when making a hole in
two sheets of paper.
two sheets of paper.
1) A hole is punched along the trailing edge of the 1st sheet.
2) A hole is made along the trailing edge of the 2nd sheet.
b.2- /3-Hole Type
The home position is identified when the punch home position sensor is
ON. To make two holes, the punching operation for the first sheet ends
when the punch shaft rotates 180° (half circumference) and the punch
when the punch shaft rotates 180° (half circumference) and the punch
home position sensor goes ON. At this time, the 3-hole puncher makes a
single round trip in escape direction (moving up the hole puncher) on a
half circumference of the punch shaft.
half circumference of the punch shaft.
The punching operation for the second sheet ends when the Punch shaft
has rotated 180° counterclockwise and the punch home position sensor
goes ON (half circumference). At this time, the 3-hole puncher makes a
goes ON (half circumference). At this time, the 3-hole puncher makes a
single round trip in escape direction (moving up the hole puncher) on the
other half circumference of the punch shaft.
The punching operation takes place as follows when making two holes in
The punching operation takes place as follows when making two holes in
two sheets of paper:
1) A hole is made along the trailing edge of the 1st sheet.
While two holes are being made, the 3-hole puncher makes a single
round trip in escape direction.
round trip in escape direction.
2) Holes are made along the trailing edge of the 2nd sheet.
While two hole are being made, the 3-hole puncher makes a single
round trip in escape direction (moving up the hole puncher).
(punch shaft at rest/
home position)
(punch shaft CW rotation
by 90˚/hole made)
(punch shaft CW rotation by 180˚/
end of punching operation)
Sensor flag
Punch home position
sensor (PI1P)
Punch shaft
Eccentric cam
Hole
puncher
Die
Die
Paper
Waste paper
(punch shaft at rest/
home position)
(punch shaft CCW rotation
by 90˚/hole made)
(punch shaft CCW rotation by 180˚/
end of punching operation)
(punch shaft at rest/
home position)
(punch shaft CW rotation
by 90˚/hole made)
(punch shaft CW rotation by 180˚/
end of punching operation)
Sensor flag
Punch home position
sensor (PI1P)
Punch shaft
Eccentric cam
Hole
puncher
Die
Die
Paper
Waste paper
(punch shaft at rest/
home position)
(punch shaft CW rotation by 90˚/
punch at upper limit)
(punch shaft CW rotation by 180˚/
punch back to initial position)
(punch shaft at rest/
home position)
(punch shaft CCW rotation
by 90˚/hole made)
(punch shaft CCW rotation by 180˚/
end of punching operation)
(punch shaft CCW rotation by
90˚/punch at upper limit)
(punch CCW rotation by 180˚/
punch back at initial position)
(punch shaft at rest/
home position)
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