Oki OKIFAX 5400 Maintenance Manual page 227

Troubleshooting flow chart 3:
Troubleshooting flow chart 4:
40838301TH Rev.1
Engine controller error
(ROM/RAM error)
** PRINTER ALARM 2 **
Turn on power again.
Does the PRINTER
ALARM 2 message
remain on display?
Yes
See ACTION 6.
Fan motor rotation error
** PRINTER ALARM 3 **
Open the cover, then close.
Is the FAN motor
halted?
Yes
Is the fan motor's
connectors properly
connected to MCNT?
Yes
See ACTION 8.
7 - 37
No
See ACTION 5.
No
See ACTION 7.
No
Connect the fan motor
connector to MCNT, CN11.