Cover Open - Oki OKIPAGE 10ex Troubleshooting Manual

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
40990901TH Rev.1
Power Supply Board
+5V
125
CVOPN-N
+5V
Cover close
+5V Low Voltage
Power
Cover
Supply Unit
Open
Microswitch
Cover open
High
High
Voltage
voltage
Power
output
Supply
Unit
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