Oki B4500 Maintenance Manual page 86

• CN1 Connector Pin Assignment
(To Main Control Board)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
43502101TH Rev.1
PIN NO. I/O* Signal
1 I WRSNS-N
2 I IN1SNS-N
3 I TONER-N
4 I/O 1-WIRE
5 I PAPER-N
6 C SG
7 O SBPWN-P
8 O CB2PWN-P
9 O DB1PWM
10 C SG
11 O CB1PWM
12 C SG
13 I TRI_FB
14 I TRV_FB
15 I DB2_V_FB
16 I CHI
17 I CH_V_FB
18 I DB_I
19 I SB_V_FB
20 C SG
21 O CHPWM-P
22 O DB2PWM
23 O TR2PWM-P
24 O TR1PWM-P
25 O +5V
26 O +5V
27 C SG
28 I THERM
29 I OUTSNS-N
30 I CVOPN-N
* I: In
O: Out
C: Common
Function
Write Sensor
Paper Sensor 1
Toner Sensor
EEPROM1-wire signal
Paper Out Sensor
Ground
SB2 Output
CB2 Output
DB1 Output
Ground
Cb1 Output
Ground
TR1 Current Feedback
TR1 Voltage Feedback
DB2 Voltage Feedback
CH Current Feedback
CH Voltage Feedback
DB Current Feedback
SB2 Voltage Feedback
Ground
CH Output Control
DB2 Output
TR2 output
TR1 Output Control
+5V
+5V
Ground
Thermistor
Out Sensor
Cover Open
Oki Data CONFIDENTIAL
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