Oki OKIPAGE 10e Maintenance Manual page 197

3.11 Cover Open
When the cover is opened, a cover open microswitch is opened. This makes a CVOPN-N signal
low, thereby the CPU detects the open state. Furthermore, opening the cover stops applying a
+5V power to the high voltage power supply unit, resulting in stopping all high voltage outputs.
Main Control Board
CPU
+5V
CVOPN-N
0V
41266201TH Rev.1
+5V
125
CVOPN-N
+5V
Cover close
Power Supply Board
+5V
Low Voltage
Power
Cover
Supply Unit
Open
Microswitch
Cover open
High
High
Voltage
voltage
Power
output
Supply
Unit
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