Oki OKIPAGE 4M, Maintenance Manual, Page: 95 / 124

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7.1 (b)Interconnect Signal Diagram (OKIPAGE 4m)
14 30
1
16
CN9 (Not Used)
Main Control Board
(HBMC-2 PCB)
Power
Supply Unit
High-Voltage
Power
Supply Board
CN4 (Parallel Interface)
CN6 (LED Head)
13 29
2
17
36
18
19
1
1
STB-N
2
PDATA1-P
3
PDATA2-P
4
PDATA3-P
5
PDATA4-P
6
PDATA5-P
7
PDATA6-P
8
PDATA7-P
1 XCLK-N
2 NC
3 TXD
4 SG
5 RXD
6 TXD
7 NC
8 RXD
9
PDATA8-P
10
ACK-N
11
BUSY-P
12
PE-P
13
SEL-P
14
AUTOFEED-P
15
NC
16
SG
17
SG
18
5V
19
SG
20
SG
21
SG
22
SG
23
SG
24
SG
25
SG
26
SG
27
SG
28
SG
29
SG
30
SG
31
IPRIME-N
32
FAULT-N
33
SG
34
NC
35
HILEVEL
36
SELIN-N
2
1
14
13
LED Head
1
0VP
2
0VP
3
5V
4
5V
5
0V
6
HDDT0-P
7
HDDT1-P
8
HDCLK-P
9
HDLD-P
10
STB1-N
11
STB2-N
12
STB3-N
13
STB4-N
14
FG
CN1 (High-Voltage/Sensor Interface)
CN2 (Power Interface)
CN003 DC Output
2
1
22
23
1
2
22
23
CN1 Control Interface
1
23
CV0PN-N
2
22
LED-P
3
21
TNRSNS-N
4
20
SDB2-P
5
19
PSIN-N
6
18
SDBI-P
7
17
5V
8
16
WRSNS-N
9
15
5V
10
14
DBPWM-P
11
13
TEMP
12
12
TR-VSEN
13
11
0V
14
10
0V
15
90
V
16
8
TRIPWM-P
17
70
V
18
6
DCLED-P
19
50
V
20
4
TRZPWM-P
21
3
TR-ISEN
22
2
CHPWM-P
23
1
PSOUT-N
Red
1 3
AC Output CN001
15
V
1 8
1
CN7 (Main Motor)
CN8 (Power Clutch)
4
1
2
P JON
2 DMPH2-P
1 DMPH1-P
4 DMPH4-P
3 DMPH3-P
0VP
1
2
Red
25
V
Blue
30
V
Blue
40
V
Green
5
0VP
Orange
6
24V
Purple
7 8
HEATON-N
120
Ω
12.6
Ω
M
Black
Brown Yellow
Orange
CN2 Thermistor
Thermistor
1 2
THERM 5V
Transfer Roller
Cleaning
Roller
Charge Roller
OPC Drum
Developing Roller
Toner Supply Roller
Heater
SB
–450V –300V +400V –1350V V, –750V
1 3
NEUTRAL LINE
0V
DB CB
CH
TR
HR
Switch
L
230V/120V
N
FG
1
2
3
4
5
6
7
8
CN5 Mac interface