Sharp AR-FN3 (serv.man2) Service Manual ▷ View online
No.
Signal name
Part name
(1)
—
Elevator motor encoder
(2)
—
Elevator drive unit
(3)
EVM
Elevator motor
(4)
T3DN
Tray 3 lower limit sensor
(5)
—
Winding pulley
(6)
—
Wire
(7)
T3UP
Tray 3 upper limit sensor
3. Basic operation
A. Basic operation flowchart
Fig. 1 Basic operation flowchart
1) Initialization
The finisher is initialized (home positioning of each motor) at the
following timing.
following timing.
•
When the power is turned on.
•
The finisher leaves the copier and when either of the top or bottom
doors are opened.
doors are opened.
•
When the copier start key is pressed (JOB_START):
•
Recovery action is performed.
(7)
(6)
(5)
(1)
(2)
(4)
(3)
Power ON
Initialization when
powered on
Independent movement
of staple unit
(Staple position)
Independent shifting
Transfer
Off-set tray paper
discharge
JOB_END
Operation when
JAM error occurs
Operation when
door is closed
Stapling
JOB_START
(Offset tray)
AR-FN3
4 – 4
8/19/1999
[5] DISASSEMBLY AND ASSEMBLY
[Note]
•
This section explains the procedure for disassembling and
reinstalling the unit. Reinstall the unit in the reverse order of disas-
sembly.
reinstalling the unit. Reinstall the unit in the reverse order of disas-
sembly.
•
Disassemble the unit in numerical order in each sketch.
•
This section covers the procedure for disassembling the following
major parts. For the other parts, refer to the Parts Guide.
major parts. For the other parts, refer to the Parts Guide.
No.
Part name
1
Main drive motor
2
Staple unit movement motor
3
Elevator motor
4
Off-set motor
5
Stapler
6
Jogger motor
7
Pusher motor
8
Elevator wires, top and bottom
9
Paper discharge roller 3
1. Main drive motor
2. Staple unit movement motor
1)
2)
3)
4)
1)
2)
3)
1)
1)
2)
1)
AR-FN3
8/19/1999
5 – 1
3. Elevator motor
[Note] Before removing the lower cover on the FN3, make sure the
tray 3 is at the upper limit position.
If the tray 3 is not at the upper limit position, turn the knurled
part on the shaft (A) in the sketch and move the tray 3 to the
upper limit.
If the tray 3 is not at the upper limit position, turn the knurled
part on the shaft (A) in the sketch and move the tray 3 to the
upper limit.
[Note] When setting the elevator motor 16), pay attention to the
direction of the filter PWB A. For the direction, see the sketch
given above.
given above.
1)
2)
3)
4)
7)
7)
7)
7)
7)
8)
9)
13)
13)
11)
12)
8)
8)
10)
14)
15)
16)
A
AR-FN3
5 – 2
8/19/1999
4. Off-set motor
[Note] When setting the tray 3 cover (bottom), use caution not to get
the wire caught in the harness B.
When setting the off-set motor 9), pay attention to the filter
PWB A. For the direction, see the sketch given above.
When setting the off-set motor 9), pay attention to the filter
PWB A. For the direction, see the sketch given above.
5. Stapler
3)
4)
1)
2)
6)
5)
6)
8)
9)
7)
B
A
AR-FN3
8/19/1999
5 – 3
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