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10
9
F
S33
J575
Copyboard Cover
CVR_SENS1
Open/Closed
GND
+3.3V
E
Sensor (Front)
S32
J585
CVR_SENS0
Copyboard Cover
GND
Open/Closed
+3.3V
Sensor (Rear)
Original Size
S35
J573
GND
Sensor 1
SIZE1
(INCH, AB/K, AB)
+5V
S34
Original Size
J583
GND
D
SIZE0
Sensor 0
+5V
(INCH, AB/K, AB)
S34
J0583
GND
Original Size
SIZE0
Sensor 0 (INCH/A)
+5V
S35
J0573
GND
Original Size
SIZE1
C
Sensor 1 (A)
+5V
B
A
10
9
8
7
Main Controller PCB (2/3)
34
32
30
28
26
24
22
20
18
16
14
12
10
8
6
33
31
29
27
25
23
21
19
17
15
13
11
9
7
5
1
3
5
7
9
11
13
15
17
19
21
23
25
27
29
2
4
6
8
10
12
14
16
18
20
22
24
26
28
30
J554
J556
J562
3
2
1
15 14 13 12 11 10
9
8
7
6
5
4
3
2
1
12 11 10
9
8
7
6
J576
1
2
3
1
2
3
4
5
6
7
8
9 10 11 12 13 14 15
1
2
3
4
5
6
7
1
2
3
J582
J581
(CN1)
(CN2)
S31
CIS HP Sensor
ADF Driver PCB
8
7
6
5
4
J309
J308
J8151
4
2
14
12
10
8
6
4
2
3
1
15
13
11
9
7
5
3
1
4
3
2
1
31
33
1
3
5
7
9
11
13
15
1
2
3
4
J552
32
34
2
4
6
8
10
12
14
J553
Reader Relay PCB (2/2)
J561
J560
J564
30
28
26
24
22
20
1
2
3
4
3
2
1
5
4
3
2
1
29
27
25
23
21
19
8
9 10 11 12
1
2
3
4
1
2
3
1
3
5
7
9
11
J580
J584
2
4
6
8
10
12
(CN10)
(CN12)
J588
6
5
4
383
3
2
/B
B
A
/A
J579
+5V
SIZE2
GND
J587
+5V
SIZE3
GND
J577
+5V
SIZE2
GND
J0587
J558
18
16
14
12
10
8
6
4
2
17
15
13
11
9
7
5
3
1
13
15
17
19
21
23
25
27
29
14
16
18
20
22
24
26
28
30
CIS
3
2
General Circuit Diagram
1
F
E
M31
Scanner
Motor
D
Original Size
S36
Sensor 2
(INCH/AB, AB/K,
AB, INCH/A)
S37
Original Size
Sensor 3
S36
Original Size
Sensor 2 (A)
C
B
A
1
P.5
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Troubleshooting
