Fuser - Oki B930 Service Manual

Signal line name
MAIN POWER ON
• Short protection (over-current protection) & Over-voltage protection of POWER UNIT
- Each output has the short protection and over-voltage protection functions as shown on
the table below:
Over-current value
3.3V short
5V short
24V short
Over-voltage value
3.3V
5V
24V
In the case of short protection (over-current protection) cut off:
After the clearance of the shortage, power off, allow 10 sec. and power on; the output is restored.
In the case of over-voltage protection Cut off:
After the overvoltage protection functions, power off, allow 10 sec. and power on; the output is
restored.

2 Fuser

ON/OFF control signal of Power Supply in POWER UNIT
Output Status
3.3VDC 5VDC
9 - 14A 7 - 11A
Cut off Cut off
Normal output Cut off
Normal output Cut off
4 - 5V 6 - 8V
Cut off Cut off
Cut off Cut off
Normal output Cut off
4-7
Description
24VDC
14 - 19A
Cut off
Cut off
Cut off
26.7 - 32V
Cut off
Cut off
Cut off