Oki B4500 Maintenance Manual page 84

• PW_1 Connector Pin Assignment
(To Power Supply Unit)
1
2
3
4
5
6
7
8
• PW_2 Connector Pin Assignment
(To Power Supply Unit)
1
2
3
4
5
6
43502101TH Rev.1
PIN NO. I/O*
1 I +38V
2 I +38V
3 C 0VP
4 C 0VP
5 I 0VPHD
6 I 0VPHD
7 I HEAD
8 I HEAD
* I: In
O: Out
C: Common
PIN NO. I/O* Signal
1 I ZCROSS
2 C SG
3 C SG
4 I +5V
5 I +5V
6 O HEATON_N
* I: In
O: Out
C: Common
Signal Function
+24V
+24V
Analog Ground
Analog Ground
Ground for LED HEAD
Ground for LED HEAD
+5V for LED HEAD
+5V for LED HEAD
Function
AC Zero Cross
Ground for Logic
Ground for Logic
+5V for Logic
+5V for Logic
Heater On
Oki Data CONFIDENTIAL
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