Sharp AR-C172M (serv.man4) Service Manual ▷ View online
AR-C172M DESCRIPTIONS OF EACH SECTION 7 - 36
<4> Multi manual paper feed unit
1) Remove the screw and the harness, and remove the multi
paper feed unit.
<5> Paper feed clutch
1) Remove the screw and the cover (A). Remove the connector
and the E-ring, and remove the paper feed clutch (B).
<6> Transport roller
1) Remove the bottom lid (A), remove the connector and the
screw, and remove the cover (B).
∗
When assembling, fit the cover projection with the spring.
2) Remove the screw, and remove (A) and (B).
∗
When assembling, first attach (A), then attach (C) and (D).
3) Remove the screw and the E-ring, and remove the angle (A)
and the gear.
4) Remove the screw, and remove (A) and the manual upper unit
(B).
A
B
A
B
C
D
C
D
A
B
E
A
A
B
AR-C172M DESCRIPTIONS OF EACH SECTION 7 - 37
5) Remove the E-ring, the gear, and the bearing, and remove the
transport roller.
c. Transport section
<1> Vertical transport unit
1) Remove the drum and the developing unit.
2) Remove the front cabinet.
3) Remove the front frame cover.
4) Remove the multi manual paper feed unit.
5) Remove the rear cabinet, the connection right cabinet, the
rear right cabinet, the front right cabinet, and the right lower
cabinet.
cabinet.
6) Open the vertical transport guide. Remove the screw and
remove the vertical transport guide unit.
7) Remove the screw, and remove the vertical transport lower
unit.
8) Remove the paper feed drive motor, and remove the connec-
tor on the rear side. Remove the screw, and shift the vertical
transport unit to the left to remove.
transport unit to the left to remove.
∗
When assembling, engage the four bosses indicated with
in the figure below.
<2> Transport roller 2
1) Remove the vertical transport unit.
2) Remove the screw, and remove the paper guide (A).
3) Remove the resin ring, and remove the pulley (B) from the
belt.
4) Remove the resin E-ring, slide the bearing (C), and remove
the transport roller 2 unit (D).
5) Remove the E-ring and parts, and remove the transport roll-
ers.
A
B
C
D
AR-C172M DESCRIPTIONS OF EACH SECTION 7 - 38
<3> Transport roller 1
1) Remove the vertical transport unit.
2) Remove the resin ring. Remove the pulley (A) from the belt.
3) Remove the resin E-ring, slide the bearing (B), and remove
the transport roller 1 (C).
<4> PS unit
1) Remove the vertical transport unit.
2) Remove the screw and the spring. Release the lock. Remove
the belt and remove the PS unit.
∗
When assembling, attach from the left with avoiding the
plate in section A.
plate in section A.
<5> Upper resist roller
1) Remove the vertical transport unit.
2) Remove the PS unit.
3) Remove the spring (A), and remove the upper resist roller (B).
<6> Lower resist roller
1) Remove the vertical transport unit.
2) Remove the PS unit.
3) Remove the upper resist roller.
4) Remove the parts and remove the lower resist roller.
A
B
C
A
A
A
B
AR-C172M DESCRIPTIONS OF EACH SECTION 7 - 39
<7> PS motor
1) Remove the rear cabinet, the connection right cabinet, and the
rear right cabinet.
2) Remove the connector and the screw, and remove the pro-
cess exhaust fan unit. Remove the connector and the screw,
and remove the PS motor.
and remove the PS motor.
d. Paper exit section
<1> Slide drive motor
1) Open the left cabinet.
2) Remove the FD connection cabinet.
3) Remove the connector and the screw, and remove the motor
unit.
4) Remove the connector and the screw, and remove the motor
(A).
<2> FD paper exit unit
1) Remove the rear cabinet, the rear cabinet upper, the left cabi-
net, the rear left cabinet lid, the rear left cabinet, and the front
cabinet upper.
cabinet upper.
2) Remove the motor unit.
3) Slide section (A) to the front side. Remove the screw, and dis-
engage the pawl in section (B). Remove the FD paper exit unit
(C) from the rear side and remove the connector.
(C) from the rear side and remove the connector.
∗
When assembling, attach from the front side.
∗
When assembling, be careful not to damage the actuator
(D).
(D).
<3> FD paper exit roller B
1) Remove the cabinet.
2) Remove the paper exit unit.
3) Remove the E-ring, the bearing, and the gear. Remove the FD
paper exit roller B.
A
A
C
D
B
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