Sharp AR-C170 (serv.man24) Service Manual ▷ View online
AR-C170M DESCRIPTIONS OF EACH SECTION 7 - 25
B. Disassembly/assembly/maintenance
(1) Transfer section maintenance target parts
✕
: Check (Clean, replace, or adjust as necessary.)
❍
: Clean
▲
: Replace
∆
: Adjust
✩
: Lubricate
❏
: Shift position
(2) Major parts replacement
a. MFP PWB
1) Open the upper cabinet rear cover.
2) Remove the connector and the screw, and remove the scan-
ner control PWB unit. Remove the screw and remove the
scanner control PWB (A).
scanner control PWB (A).
b. CCD unit
1) Remove the screw, the glass holder right (A), the glass holder
left (B), and the table glass (C).
Unit name
No.
Part name
When
calling
50K
100K
150K
200K 250K
300K
350K 400K
Remark
Optical section
1
CCD, mirror, lens, reflector
❍
❍
❍
❍
❍
❍
❍
❍
❍
2
Table glass, sensors, OC
❍
❍
❍
❍
❍
❍
❍
❍
❍
4
Rails
✩
✩
✩
✩
✩
✩
✩
✩
✩
5
Drive wire, pulley, pulley belt
✕
✕
✕
✕
✕
✕
✕
✕
✕
4
4
4
5
5
5
4
1
1
1
1
1
1
2
2
5
5
A
A
C
B
AR-C170M DESCRIPTIONS OF EACH SECTION 7 - 26
2) Remove the screw and the dark box cover (A). Remove the
connector, the screw, and the CCD unit (B).
c. Lamp unit
1) Shift the lamp unit to the position shown below. Loosen the
screw and remove the wire.
2) Rotate the lamp unit and lift it, and remove the harness holder
and the harness. Remove the lamp unit.
d. Xenon lamp
1) Remove the lamp unit.
2) Remove the harness and the screw, and remove the Xenon
lamp.
e. Scanner motor
1) Remove the upper cabinet rear unit.
2) Remove the connector and the spring.
3) Remove the screws, and remove the scanner motor unit.
4) Remove the screws, and remove the scanner motor.
B
A
AR-C170M DESCRIPTIONS OF EACH SECTION 7 - 27
f. MHPS
1) Remove the upper cabinet rear unit.
2) Remove the screw and remove the upper cabinet left.
Remove the screw and the connector, and remove the MHPS.
5. Paper feed, paper transport, and paper exit sections
A. Operational descriptions
(1) Outline
This model is provided with a cassette paper feed tray and a man-
ual paper feed tray as standard provision.
ual paper feed tray as standard provision.
As an option, either the 3-stage paper feed cassette module (AR-
D18) or the 2-stage duplex paper feed cassette module (AR-D19)
can be installed.
D18) or the 2-stage duplex paper feed cassette module (AR-D19)
can be installed.
The paper transport section transports paper from each paper
feed port to the PS roller section.
feed port to the PS roller section.
Paper with images transferred on it in the transfer section is
passed to the fusing section, and discharged to the face-up tray or
the face-down tray.
passed to the fusing section, and discharged to the face-up tray or
the face-down tray.
AR-C170M DESCRIPTIONS OF EACH SECTION 7 - 28
(2) Electrical section and mechanical section
a. Cassette paper feed, paper transport, and paper exit sections
DSWRout
PPD1
PFD1
DSWR
DC_CLK
\DC_LOCK
\DCONOFF
DC_CLK
\DC_LOCK
\DCONOFF
PSMB\
PSMA\
PSMA
PSMB
GND2
GND2
GND2
GND2
GND2
POD1
GND2
GND2
PPD2
CPFC1\
PED1
LUD1
PPD2PO
W
GND2
GND2
GND2
C1SS1
C1PD1
C1SS2
C1SS3
C1SS4
LUM1b
LUM1b
LUM1a
LUM1a
POD2
TFD
HPOS\
+5V
+5V
+5V
+5V
+5V
+5V
PPD1
PFD1
GND2
GND2
GND2
+5V
+5V
TFD2
+5V
+5V
GND2
GND2
GND2
POD1
C1SS1
C1PD1
C1SS2
C1SS3
C1SS4
LUM1b
LUM1a
+5V
+5V
+5V
24pin
5pin
8pin
18pin
+5V
+24V
+24V
+24V
+24V
+24V
GSS\
+24V
+24V
+24V
+24V
TRC\
OFFSETMA
OFFSETMA\
OFFSETMB
OFFSETMB\
GND2
GND2
POD2
HPOS
GND2
GSS\
HPOS
+5V
+5V
+5V
POD2
+5V
GND2
+24V
OSMA
OSMA\
OSMB
OSMB\
+24V
+24V
(NC)
OSMA
OSMA\
OSMB
OSMB\
CN7(32pin)
CN9(24pin)
CN11(34pin)
CN13(6pin)
PPD2PO
W
CPFC1\
PPD2
LUD1
POD2
OSM
HPOS
GSS
POD1
PED1
CPFC1
PFMPFM
PPD1
PPD2PPD2
PFD1
PCU
TRC
TRC
PSM
LUM1
PED1
LUD1
CN20(22pin)
CN14(10pin)
8
8
8
9
9
10
10
11
11
11
11
11
12
13
13
13
14
14
15
15
15
15
15
15
16
16
16
16
16
17
17
17
17
18
18
18
18
19
19
19
20
20
20
20
21
23
23
23
22
22
7
7
7
7
7
7
7
6
6
6
6
5
5
5
5
5
5
5
5
4
4
4
4
4
3
3
3
3
3
3
3
3
3
3
3
3
3
3
30
34
25
27
29
24
26
28
3
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
1
1
543
2
1
B6
B5
B4
B3
B2
B1
1
1
1
1
1
1
1
1
1
3
2
1
3
2
1
3
2
12
1
1
1
1
1
1
1
6
5
4
3
2
1
Lift-up PWB
(In the fusing unit)
Dr
a
w
er connector
GND2
TFD
+5V
TFD
3
2
1
GND2
TFD2
+5V
TFD2TFD2
3
2
1
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