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Wiring diagram
A
B
1
+5V
YC1
YC3
1
3
HPSWN
2
2
GND
3
1
Scanner
Home
CCD board
position
(KP-5065)
sensor
2
YC2
Scanner
3
motor
Inverter
board
Exposure lamp
4
To
optional
paper
5
feeder
Feed
FEDDRN
clutch
Heater lamp
6
Thermistor
Thermal
cutout
CN5
7
Power switch
L
L
N
N
8
AC inlet
A
B
C
D
To optional document feeder
YC6
YC8
GND/ GND
1/2
30/29
GND/SW
3/4
28/27
SWN/SH
5/6
26/25
GND/CPN
24/23
7/8
GND/RSN
9/10
22/21
GND/CCDCLK
11/12
20/19
GND/CCDCLKN
13/14
18/17
GND/GND
15/16
16/15
GND/CCDG(O)
17/18
14/13
GND/CCDB(E)
19/20
12/11
GND/CCDR
21/22
10/9
+12V/+5V
23/24
8/7
+5V/HPSWIN
25/26
6/5
PGND/PGND
27/28
4/3
LAMP/LAMP
29/30
2/1
YC1
ISUMOTA
1
1
1
ISUMOTNB
2
2
2
ISUMOTNA
3
3
3
ISUMOTB
4
4
4
YC5
To operation panel
FEDDRN
1
1
1
1
+24V2
1
PFSEN
2
2
2
2
2
PGND
PFPER
3
3
3
3
3
PFMDRN
PFCLK
YC4
4
4
4
4
PFCLK
4
PFMDRN
5
Main
5
5
5
5
PFPFPER
PGND
6
6
6
6
6
PFSEN
motor
+5V
7
7
7
7
MRDYN
8
8
8
8
+24V3
1
1
MOTORN
9
9
9
9
+24V3
2
2
10
10
10
10
Cooling
fan
Zenner board
Drum
(KP-788)
CN4
CN3
CN2
CN1
+5V
1
1
+5V
2
2
FAN
3
3
4
4
PGND
5
5
PGND
6
6
+24V2
7
7
THERM
Power supply board
8
8
HEATN
9
9
SLEEPN
(KP-5059)
10
10
EXITN
11
11
ZCROSS
12
12
+24V1
13
13
+24V1
14
14
SGND
15
15
SGND
C
D
E
F
YC4
BUZERDRN/KEY1N
KEY0N/ SCAN7N
SCAN6N/ SCAN5N
SCAN4N/ SCAN3N
SCAN2N/ SCAN1N
SCAN0N/LED6N
LED5N/LED4N
LED3N/LED2N
LED1N/LED0N
YC7
Scanner board
GND/SW
(KP-5063)
SWN/CCDCLKN
GND/CCDCLK
GND/RSN
GND/CPN
GND/SH
GND/GND
GND/ CCDG(O)
GND/ CCDB(E)
GND/CCDR
YC3
YC2
YC11
YC10
YC6
YC5
YC9
Registration
MP feed
MP paper
clutch
clutch
sensor
Transfer roller
YC-M
YC-T
CN2
+24V2 / +24V2
A1/B1
A1/B1
PGND / PGND
A2/B2
A2/B2
+24V3 / +24V3
A3/B3
A3/B3
MHVDR / FAN
A4/B4
A4/B4
High voltage board
THVDR / THERM
A5/B5
A5/B5
RTHVDR / HEATN
A6/B6
A6/B6
HVISEL / SLEEPN
A7/B7
A7/B7
PSEL1 / EXITN
A8/B8
A8/B8
PSEL2 / ZCROSS
A9/B9
A9/B9
+5V / +5V
A10/B10
A10/B10
SGND / +5V
A11/B11
A11/B11
SW1
SGND / SGND
A12/B12
A12/B12
E
F
G
H
YC2
18/17
1/2
16/15
3/4
14/13
5/6
Optional DIMM slot
12/11
7/8
10/9
9/10
8/7
11/12
6/5
13/14
4/3
15/16
2/1
17/18
YC5
SGND
YC1
1
1
SAMPLEN
20/19
1/2
2
2
VDATAN
18/17
3
3
3/4
OUTPEN
16/15
4
4
5/5
Main board
SGND
14/13
7/8
5
5
(KP-5060)
+5V
6
6
12/11
9/10
SGND
10/9
7
7
11/12
PDN
8/7
13/14
8
8
6/5
15/16
4/3
17/18
YC3
2/1
19/20
Waste toner
sensor [PWB]
(KP-786)
YC12
YC3
Engine board
(KP-5061)
YC7
Toner
sensor [PWB]
(KP-786)
YC-B
YC304
YC302
YC301
Bias board
(KP-5067)
G
H
2DC
I
J
1
2
1
1
2
2
3
3
Laser scanner
4
4
unit
5
5
6
6
7
7
8
8
3
Eraser lamp
[PWB]
(KP-791)
4
YC13
YC14
5
YC8
6
7
YC303
8
I
J
2-4-1
2-4-4
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