Sharp AR-C172M (serv.man4) Service Manual ▷ View online
AR-C172M DESCRIPTIONS OF EACH SECTION 7 - 52
(6) Cabinet disassembly 6
1) Remove the screws, and remove the glass holder right (A).
2) Remove the screws, and remove the scanner right cabinet
(B).
3) Remove the screws, and remove the connection right cabinet
(C).
(7) Cabinet disassembly 7
1) Remove the rear cabinet.
2) Remove the manual paper feed unit.
3) Remove the front right cabinet.
4) Remove the screws, and slide and remove the rear right cabi-
net (A) upward.
5) Remove the screws, and slide and remove the right lower cab-
inet (B) upward.
(8) Cabinet disassembly 8
1) Remove the rear cabinet.
2) Remove the screws, and remove the FD connection cabinet
(A) and the front cabinet upper (B). Remove the screws, and
slide and remove the rear left cabinet cover (C) and the rear
left cabinet (D) upward.
slide and remove the rear left cabinet cover (C) and the rear
left cabinet (D) upward.
(9) Cabinet disassembly 9
1) Remove the screws, and remove the FD paper exit port cabi-
net (A) and the operation panel plate (B).
(10) Cabinet disassembly 10
1) Remove the screw, and remove the upper cabinet rear cover.
Remove the connector and the screw, and remove the upper
cabinet rear unit.
cabinet rear unit.
B
C
A
A
B
A
C
D
B
A
B
AR-C172M DESCRIPTIONS OF EACH SECTION 7 - 53
9. Others
A. Disassembly/assembly/maintenance
(1) Maintenance target parts
✕
: Check (Clean, replace, or adjust as necessary.)
❍
: Clean
▲
: Replace
∆
: Adjust
✩
: Lubricate
❏
: Shift position
Unit name
No.
Part name
When
calling
50K
100K
150K
200K
250K
300K
350K
400K
Remark
Filters
1
Ozone filter
✕
▲
▲
▲
▲
▲
▲
▲
▲
2
Sub ozone filter
✕
▲
▲
▲
▲
▲
▲
▲
▲
Drive section
3
Gears
✩
✩
✩
✩
✩
✩
✩
✩
✩
4
Belts
✕
✕
✕
✕
✕
✕
✕
✕
✕
Others
5
Sensors
✕
✕
✕
✕
✕
2
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
3
3
3
3
3
3
3
3
3
3
3
3
3
4
1
AR-C172M DESCRIPTIONS OF EACH SECTION 7 - 54
(2) Maintenance parts and major parts replacement
a. Ozone filter
1) Remove the ozone filter cover, and remove the ozone filter.
b. Sub ozone filter
1) Remove the sub ozone filter cover, and remove the sub ozone
filter.
c. Printer controller PWB
<1> Printer controller unit
1) Remove the screws, and remove the printer controller unit.
<2> Network PWB
1) Remove the screws, and remove the network PWB.
<3> HDD
1) Remove the connector and the screws, and remove the HDD
unit.
2) Remove the screws, and remove the HDD.
<4> FLASH PWB
1) Release lock, and remove the FLASH PWB.
<5> Fan
1) Remove the connector, and remove the fan.
AR-C172M DESCRIPTIONS OF EACH SECTION 7 - 55
<6> PRT control PWB
1) Remove the screw, and remove the PRT control PWB.
d. PWB
<1> PCU PWB
1) Remove the rear cabinet.
2) Remove the connector and the screw, and remove the PCU
PWB.
<2> High voltage MC power PWB
1) Remove the rear cabinet.
2) Remove the connector, the screw, and the earth wire (com-
monly fixed), and remove the PCU PWB unit.
3) Remove the connector and the screw, and remove the high
voltage MC power PWB.
<3> Power PWB
1) Remove the rear cabinet and the DC power CFM unit.
2) Remove the connector and the screw, and remove the power
PWB.
<4> Driver PWB
1) Remove the rear cabinet, the rear left cabinet lid, and the rear
left cabinet.
2) Remove the screw and the connector, and remove the driver
PWB.
<5> AC PWB
1) Remove the screw, the rear cabinet, the rear left cabinet lid,
and the rear left cabinet.
2) Remove the screw and the harness, and remove the driver
PWB unit.
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