Oki B 4100 Maintenance Manual page 324

Troubleshooting flow chart 3:
Troubleshooting flow chart 4:
40055101TH Rev.4
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.
No
See ACTION 5.
No
See ACTION 7.
No
Connect the fan motor
connector to MCNT, CN11.
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