Oki B4100 - Manual (Page 325)

40055101TH Rev.4 325 /
Troubleshooting flow chart 5:
About 60 seconds later
Turn on power again.
No
Turn on power again.
Yes
See ACTION 9.
Is the fuser unit heater
off?
Is the PRINTER
ALARM 4 message
displayed with a delay?
Is the heater free from
wire breakage?
See ACTION 10.
See ACTION 6.
See ACTION 9.
See ACTION 11.
No
No
Yes
Yes
** PRINTER ALARM 4 **
Fuser unit thermal error