Oki OKIFAX 5950 Series Maintenance Manual page 377

Troubleshooting flow chart 4:
Fuser unit thermal error
See "Table 7.22.2 Alarm Display".
Turn on power again.
displayed with a delay?
Turn on power again.
Is the fuser unit heater
Is the heater free from
See "Table 7.22.3 ACTION 8".
OF5750/5950 Series January 2001
Is the PRINTER No
ALARM 4 message
Yes
About 60 seconds later
No
off?
Yes
No
wire breakage?
Yes
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See "Table 7.22.3 ACTION 7".
See "Table 7.22.3 ACTION 6".
See "Table 7.22.3 ACTION 7".
See "Table 7.22.3 ACTION 9".