DOWNLOAD Sharp AR-M351N / AR-M451N (serv.man4) Service Manual ↓ Size: 17.31 MB | Pages: 127 in PDF or view online for FREE

Model
AR-M351N AR-M451N (serv.man4)
Pages
127
Size
17.31 MB
Type
PDF
Document
Service Manual
Brand
Device
Copying Equipment / ARM351N-451N Service Manual
File
ar-m351n-ar-m451n-sm4.pdf
Date
PREV: Sharp AR-M351N / AR-M451N (serv.man3) Service Manual / Specification

Sharp AR-M351N / AR-M451N (serv.man4) Service Manual ▷ View online

AR-M351N/M451N  MAINTENANCE AND DETAILS OF EACH SECTION  7 - 60
a-11. CIS unit
a-12. CIS control PWB
1) Remove the upper transport unit cover. 
2) Remove the CIS unit.
∗
When the CIS unit is replaced, the CIS shading adjustment
must be performed. (Refer to the descriptions of ADJUST-
MENTS.)
3) Remove the harness, the cover, the earth wire, and remove
the CIS control PWB.
For easy installation of the cover, slide the earth line to the con-
nector side when attaching.
a-13. SPF open sensor
1) Remove the open sensor.
a-14. SPF original exit sensor
1) Remove the paper exit sensor.
a-15. Paper exit roller
1) Remove the original paper feed unit. 
2) Remove the paper exit roller gear.
3) Remove the paper exit frame, and remove the paper exit
roller.
Note: The CIS unit is factory-adjusted before shipping. 
Since these adjustments cannot be performed in the 
market, never touch the following screws of the CIS unit.
a
a
a
1)
2)
1)
2)
1)
2)
3)
4)
5)
6)
1)
2)
3)
3)
3)
4)
5)
7)
AR-M351N/M451N  MAINTENANCE AND DETAILS OF EACH SECTION  7 - 61
a-16. SPF motor
1) Remove the OC cover. 
2) Remove the SPF lower cover.
3) Remove the original paper feed unit.
4) Remove the SPF drive unit.
5) Remove the SPF motor.
a-17. Resist roller
a-18. Resist roller clutch
1) Remove the SPF resist roller unit.
2) Remove the SPF resist roller and the SPF resist roller clutch.
1)
2)
1)
1)
1)
1)
1)
 2) 
2)
2)
2)
2)
2)
2)
 2) 
3)
2)
1)
1)
2)
2)
3)
4)
1)
1)
1)
2)
3)
3)
AR-M351N/M451N  MAINTENANCE AND DETAILS OF EACH SECTION  7 - 62
a-19. SPF original paper feed solenoid
a-20. SPF original paper feed clutch
1) Remove the SPF paper feed unit. 
2) Remove the SPF paper guide.
3) Remove the SPF pickup unit.
4) Remove the original paper feed solenoid and the SPF original
paper feed clutch.
a-21. Separation mylar lower
a-22. Separation pad
1) Remove the upper transport unit.
2) Loosen the screw, and remove the separation pad unit. 
3) Remove the screw, and remove the separation plate and the
front separation plate.
4) Remove the separation Mylar lower, and the separation pad. 
8. Operation panel section
A. General
This section describes various types of settings, display and oper-
ation.
The LCD display section is controlled by the MFP CONTROL
PWB.
The touch panel, operation keys and LED display are controlled by
the SCANNER CONTROL PWB.
1)
1)
2)
1)
1)
1)
2)
1)
2)
3)
4)
AR-M351N/M451N  MAINTENANCE AND DETAILS OF EACH SECTION  7 - 63
B. Major parts and signal functions
3
12
5
11
13
19
20
6
7
8
14
15
1
9
2
17
10
16
4
18
21
22
23
24
GND2
CN1
27
26
28
34
35
29
30
32
25
31
33
36
37
38
39
42
41
43
49
50
44
45
47
40
46
48
51
52
53
54
57
56
58
59
60
55
3
12
5
11
13
19
20
6
7
8
14
15
1
9
2
17
10
16
4
18
21
22
23
24
27
26
28
34
35
29
30
32
25
31
33
36
37
38
39
42
41
43
49
50
44
45
47
40
46
48
51
52
53
54
57
56
58
64
65
59
60
62
55
61
63
66
67
68
69
75
71
70
76
72
73
78
77
74
80
79
BOARD TO BOARD
TX25-100P-LT-H1
CN3
77
78
73
72
76
70
71
75
79
80
74
65
64
69
68
67
66
63
61
62
92
84
97
98
99
94
89
88
87
90
91
95
86
83
81
82
85
96
93
100
99
98
97
96
91
94
88
92
93
89
85
84
82
90
81
86
83
95
87
+24V3
/XL
+12V1
GND2
GND2
RES_CCD1
PDSEL1
SEG0
TXD_CCD1
CLK_CCD1
FRM_CCD1
GND2
/BZR
XH
/F2
/F0
+3.3V
PD
GND2
/CL1
RXD_CCD1
ADD_CCD1
PAGE1
PDSEL0
/STSET
YH
SEG1
Lcd DIS
/CCFT
/YL
TH
/1_DBL-
/1_DBL+
1_DATA0-
1_DATA0+
1_DATA1-
1_DATA1+
1_CLK-
1_CLK+
GND2
GND2
GND2
GND2
(NC)
+24V3
PDSEL2
/KEYIN
GND2
GND2
LcdS-
LcdS+
LcdM+
LcdM-
LcdCP1+
LcdCP2+
LcdCP1-
LcdCP2-
LcdD2-
LcdD1+
LcdD3-
LcdD3+
LcdD1-
LcdD0-
LcdD0+
LcdD2+
GND2
GND2
/STMPS
GND2
GND2
GND2
GND2
+12V1
+12V1
GND2
+5V2
+5V2
GND2
GND2
GND2
GND2
GND2
+5V2
SEG2
GND2
GND2
GND2
GND2
GND2
/F3
/F1
+5V1
+3.3V
GND2
LCD-VEE
+24V3
+24V3
GND2
GND2
+24V3
+12V1
GND2
GND2
PDSEL1
SEG0
GND2
/1_DBL-
/1_DBL+
1_DATA0-
1_DATA0+
1_DATA1-
1_DATA1+
1_CLK-
1_CLK+
GND2
GND2
GND2
GND2
(NC)
+24V3
PDSEL2
/KEYIN
GND2
GND2
LcdS-
LcdS+
LcdM+
LcdM-
GND2
/XL
+3.3V
/STSET
YH
LcdCP1+
LcdCP2+
LcdCP1-
LcdCP2-
LcdD2-
LcdD1+
LcdD3-
LcdD3+
LcdD1-
LcdD0-
LcdD0+
LcdD2+
GND2
GND2
/STMPS
GND2
GND2
GND2
GND2
+12V1
+12V1
GND2
+5V2
+5V2
GND2
GND2
+5V2
RES_CCD1
FRM_CCD1
CLK_CCD1
TXD_CCD1
/F0
/F2
/BZR
GND2
PD
ADD_CCD1
RXD_CCD1
/CL1
PDSEL0
PAGE1
SEG1
GND2
GND2
+5V2
GND2
GND2
GND2
SEG2
GND2
GND2
GND2
/F1
/F3
+5V1
XH
Lcd DIS
/CCFT
/YL
TH
+3.3V
GND2
LCD-VEE
+24V3
+24V3
GND2
GND2
SCN
JNT
PWB
SCN
cnt
PWB
(1/3)
(1/2)
100
TX24-100R-LT-H1
1
BL
/LED1
RD
LB
LB
GY
BR
ORSLED
3
1
+24V3
BR
GND2
BL
OCSW
4
S6B-PH-K-S
H3P-SHF-AA+B3P-SHF-1AA
GY
LB
LB
3
/LED0
2
+5V1
5
6
+5V1
RD
2
GND2
OCSW
CN6
OCSW
21
LcdD1-
12
YH
1
18
30
LcdD0+
18
LcdD3+
1
15
LcdDIS
/YL
30FMZ-BT
15
LcdM-
3
12
LcdCP2+
+24V3
LcdS-
+24V3
9
LcdCP1+
GND2
LcdCP1-
LcdCP2-
13
TH
29
6
23
25
LcdS-
LcdD2-
23
LCD-VEE
2
/YL
26
3
20
28
LcdD1+
20
LcdD2+
4
17
LCD-VEE
YH
17
LcdD3-
6
14
GND2
XH
14
LcdD0+
8
11
GND2
GND2
LcdD0-
LcdD1+
GND2
8
LcdM-
LcdD3-
30FMN-BT
LcdDIS
5
CN5
CN1
/CCFT
28
5
22
26
LcdS+
LcdD2+
22
GND2
7
/XL
25
2
19
29
LcdD0-
19
LcdD2-
9
16
/XL
16
LcdM+
11
13
LcdCP2-
/CCFT
LcdS+
GND2
10
LcdCP1-
TH
LcdCP1+
LcdCP2+
GND2
30
7
24
LcdM+
LcdD3+
24
3.3V
10
XH
27
4
21
27
LcdD1-
T24FAZ-SMT-TF
24
23
22
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
CN4
1
CN3
S02(8.0)B-BHS-L
HV
/CCFT
2
B6B-PH-SM3-TB
PDSEL1
+5V2
GND2
PD
PDSEL0
PDSEL2
5
3
6
4
CN102
2
1
MFP
OPE
PWB
/CCFT
2
1
HV
PL
BR
LB
BR
BL
4
GY
ORS PD
PDSEL1
1
+5V2
PDSEL0
PDSEL2
5
S6B-PH-K-S
6
3
PD
GND2
2
17
9
23
3
11
4
13
5
10
15
1
2
21
20
16
22
19
24
18
14
12
8
6
7
CN101
T24FAZ-SMT-TF
/F0
SEG2
SEG1
SEG0
/KEYIN
+5V1
GND2
PD
/F1
+5V2
/F2
/F3
GND2
PDSEL2
GND2
PDSEL1
PDSEL0
/BZR
(NC)
(NC)
GND2
GND2
GND2
+5V2
GND2
GND2
/F1
PDSEL2
+5V2
(NC)
SEG1
SEG0
PD
PDSEL1
PDSEL0
/BZR
GND2
/F3
/F0
GND2
/F2
+5V2
/KEYIN
(NC)
GND2
SEG2
GND2
+5V1
3.3V
04FM-1.0ST
YH
4
2
1
XH
CN2
3
(X2)
(X1)
FFC-4PIN
(Y1)
(Y2)
/XL
/YL
LCD-VEE
11
18
8
6
10
CN4
9
2
13
GND2
5
19
(NC)
(NC)
(NC)
17
(NC)
LCD CP1
LCD D0
GND2
4
7
14
GND2
20
16
LCD M
LCD S
GND2
20FLS-SM1-TB
1
GND2
3.3V
Lcd DIS
LVDS
PWB
LCD D3
LCD D1
LCD D2
3
12
15
LCD CP2
LCD
TOUCH
/CCFT
1
2
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