Service manual

AR-M351U/M451U, AR-M355U/M455U MAINTENANCE AND DETAILS OF EACH SECTION 7 - 47
B. Major parts and signal functions
+5V2
MHPS
2
GND2
1
3
S3B-PH-K-S
BL
GY
LB
GND2
53053-0310(MOLEX)
+5V2
3
1
2
MHPS
CN11
/MIMB
MIMB
/MIMA
3
MIM
4
S5B-PH-K-S
1
5
CN2
2
MIMA
+24V3
SLD5S-1
CN2
1
5
2
3
4
GND2
GND2
+24V3
+24V3
/CL1
3
4
2
1
5
SLD5R-1
CL1
/CL1
GND2
GND2
+24V3
+24V3
CN1
CN1
IL-FPR-40S-VF-E1500
CN1
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
16
15
14
13
12
11
TX25-100P-LT-H1
CN3
CLK_CCD1
ADD_CCD1
TXD_CCD1
RXD_CCD1
RES_CCD1
GND2
CCD PWB
SCN
JNT
PWB
+3.3V3
+5VCCD
+5VCCD
+5VCCD
GND2
+10VCCD
+10VCCD
1
2
3
4
5
6
7
8
9
10
37
38
39
40
32
33
34
35
36
1_CLK+
1_CLK-
1_DATA0-
/1_DBL+
/1_DBL-
PAGE1
1_DATA1+
1_DATA1-
GND2
GND2
GND2
FRM_CCD1
+3.3V3
GND2
+5VCCD
+5VCCD
+5VCCD
+5VCCD
+5VCCD
GND2
GND2
GND2
GND2
GND2
GND2
GND2
SCN
cnt
PWB
(1/3)
(1/2)
TX24-100R-LT-H1
1_DATA0+
MHPS
1
11
4
5
10
3
2
6
10 4 9
35 61
7 8 1112
Code Signal name Name Function/Operation Type Note
MIM MIM Scanner (reading) motor Drives the scanner (reading) section. Stepping motor
MHPS MHPS Scanner home position
sensor detector
Scanner home position detection Transmission type Sensor
CL1 CL1 Copy lamp Document exposure lamp
CCD PWB CCD PWB Front document image scan (Document table/
SPF mode)
Converts the document images (optical
signals) into electrical signals.