Oki B4100 - Manual (Page 324)

40055101TH Rev.4 324 /
Troubleshooting flow chart 3:
No
Is the FAN motor
halted?
See ACTION 8.
Yes
No
Open the cover, then close.
Connect the fan motor
connector to MCNT, CN11.
Yes
See ACTION 7.
Is the fan motor's
connectors properly
connected to MCNT?
** PRINTER ALARM 3 **
Fan motor rotation error
See ACTION 6.
Yes
Does the PRINTER
ALARM 2 message
remain on display?
No
Turn on power again.
See ACTION 5.
** PRINTER ALARM 2 **
Engine controller error
(ROM/RAM error)
Troubleshooting flow chart 4: