Panasonic FA-S280 Service Manual ▷ View online
3-6
Maintenance
3.4.6
Paper Feed Motor Ass'y, Sensor E Bracket Ass'y,
Front Bracket Ass'y and Encoder Ass'y
Front Bracket Ass'y and Encoder Ass'y
Paper Feed Motor Ass'y and Idle Gears
(1) Remove the feed motor ass'y (2 screws)
(2) Remove the two idle gears. (2 E rings)
Note: When reassembling the paper feed motor ass'y, turn it clockwise to eliminate
backlash. Then, fix it with screws.
Sensor E Bracket Ass'y, Front Bracket Ass'y and Encoder Ass'y
(3) Remove the sensor E bracket ass'y. (1 screw)
(4) Remove the front bracket block. (3 screws)
(5) Remove the encoder ass'y from the front bracket ass'y (2 screws)
Notes: 1. Insert the encoder ass'y into the shaft of
the front bracket ass'y.
Then, position the disk of the encoder
ass'y so that the angle between the slit-
center of the disk and the mark " " mark
on the lift cam (white one) of the front
bracket ass'y is 90 degrees.
2. With the encoder ass'y positioned as
mentioned in (1), fix it with two screws
while pushing it against the front bracket
ass'y.
Note: Before reassembling the front bracket ass'y, adjust the lift cam position
according to 3.5 "Lift Cam Position Adjustment".
This adjustment is necessary to meet the lift cam position of the front bracket
ass'y to that of the rear bracket ass'y located on the opposite side.
SV015
90
°
Lift Cam
Disk
2
4
1
5
3
3-7
Maintenance
3.4.7
Sensor P Bracket Ass'y and CPU PCB
(1) Remove the sensor P bracket ass'y. (1 screw)
(2) Disconnect the cables of the sensors from the relay connectors.
Note: The sensor P bracket ass'y incorporates the enter sensor and exit sensor.
When reassembling it, do not mis-connect the sensor cables. The wire
color of the sensor must match the harness color
• Wire color of the enter sensor: Red, Blue and Black (2A)
• Wire color of the exit sensor:
Red, White and Black (2B)
(3) Remove the four idler spring ass'ys. (1 screw each)
(4) Remove the sheet C/C. (4 screws)
(5) Remove the CPU PCB. (4 screws)
(6) Disconnect each connector from the CPU PCB.
Note: To reassemble the CPU PCB, tighten four screws with a torque of about 3
kg·f·cm. Do not apply excessive torque.
SV016
3
5
4
1
2B
2A
3-8
Maintenance
3.4.8
Paper Guide, Paper Feed Roller Ass'y and Shaft Ass'y
(1) Remove the paper guide. (3 screws)
(2) Remove two E rings from the paper feed roller ass'y.
(3) Move the two bearings on both sides of the paper feed roller ass'y inward.
(4) Remove the paper feed roller ass'y in the direction of the arrow. (Shift it to the
front side a little and the remove it to the right.)
(5) Remove two E rings from the shaft ass'y.
(6) Move the two bearings on both sides of the shaft ass'y inward.
(7) Remove the shaft ass'y in the direction of the arrow.
SV017
3
2
1
6
5
6
3
2
4
7
3-9
Maintenance
3.4.9
Case
(1) Remove the case from the chassis in the direction of the arrow. (4 screws)
3.4.10 Bin Holder Top Ass'y
(1) Remove two screws.
(2) While slightly opening the side cover A (2A) and side cover B (2B) on both
sides, remove the bin holder top ass'y. (2C)
(3) Open the ends of paper support and remove it.
SV018
SV019
1
2A
2B
2C
3
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