Sharp AR-RF3 (serv.man2) Service Manual ▷ View online
AR-RF3 DISASSEMBLY, ASSEMBLY AND MAINTENANCE 5 - 6
3) Detach the connector.
4) Remove the screws and E-ring, and remove (B) the front open
sensor.
c. Document feed cover open sensor and document feed cover
open SW disassembly
1) Remove the screws, and detach the connectors.
2) Remove (A) the document feed cover open sensor and (B) the
document feed cover open SW.
d. Document feed motor disassembly
1) Remove the screws.
2) Remove (A) the document feed drive unit.
3) Remove the screws.
4) Remove (B) the document feed motor.
e. Document feed drive unit disassembly
1) Remove the screws.
2) Remove (A) the document feed drive unit.
f. Resist roller disassembly
1) Remove the E-rings, gear and bearing.
2) Remove the E-rings, spring and bearing.
B
A
B
A
B
A
AR-RF3 DISASSEMBLY, ASSEMBLY AND MAINTENANCE 5 - 7
3) Remove the resist roller.
• Caution when mounting
When mounting the bearing, insert it while pushing in the direction of
arrow A.
arrow A.
(3) Transport section
a. Rear cover disassembly
1) Open (A) the document feed cover and (B) the reverse cover.
2) Remove the screws, and remove (C) the rear cover.
b. Transport motor disassembly
1) Detach the connector.
2) Remove the screws, and remove (A) the harness guide.
3) Remove the screws, and remove the transport motor unit.
4) Remove the screws, and remove (B) transport motor.
• Caution when mounting
The belt should pass below (C).
(4) Document exit section
a. Document exit sensor disassembly
1) Raise the RADF main body.
2) Remove the screws, and remove (A) the document exit bracket.
A
A
B
C
B
A
C
A
AR-RF3 DISASSEMBLY, ASSEMBLY AND MAINTENANCE 5 - 8
3) Remove the screws, detach the connect, and take out (B) the doc-
ument exit sensor unit.
4) Remove all parts, and remove (C) the document exit sensor.
b. Reverse solenoid disassembly
1) Remove the original transport belt unit.
2) Detach the connector.
3) Remove the front cover.
4) Remove each screw, and remove (A) the reverse solenoid.
c. Reverse unit disassembly
1) Detach each connector.
2) Remove the screws, and remove (A) the reverse unit.
d. Reversing motor disassembly
(1) Remove the screws, and remove (A) the reversing motor.
e. Document exit cover open sensor disassembly
1) Remove the screws, and remove (A).
2) Detach the connector, and remove (B) the document exit cover
open sensor.
C
B
A
A
A
B
A
AR-RF3 DISASSEMBLY, ASSEMBLY AND MAINTENANCE 5 - 9
f. ADF open SW disassembly
1) Detach the connector.
2) Remove the screws, and remove (A) the ADF open SW.
g. Reverse roller disassembly
1) Loosen the screws.
2) Remove the screws, and remove the E-ring.
3) Remove (A).
4) Remove the E-ring.
5) Remove (B) the reverse roller.
(5) PWB
a. Main PWB disassembly
1) Remove the rear cover.
2) Detach the connector, remove the screws, and remove the main
PWB.
b. LED PWB disassembly
1) Remove the front cover.
2) Remove the screws, and remove the LED PWB.
A
A
B
A
A
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