44473001TH Rev.1
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Oki Data CONFIDENTIAL
7. TROUBLESHOOTING PROCEDURES
7.6 Fuse Checking
Table 7-6 MC561/MC361/MC351 Fuse Errors
Fuse Name Error Description Insert Point Resistance
CU/PU board
(CLP board)
F2 Service Call 128
Error08
Front fan, hopping motor,
registaration clutch, hopping
clutch, MPT clutch, Duplex clutch
1
Ω
or less
F4 Service Call 122 Rear fan, hopping motor,
registaration clutch, hopping
clutch, MPT clutch, Duplex clutch
F6 Cover open High-voltage board, ID fan, belt
motor
F3
•
Service Call 121
•
The operator panel
backlight blackout
PU 5V
F5 No display on the
operator panel
CU/PU 3.3V
F501
•
Service Call 131 to 134
•
Blank page printing
LED head 5V
High-voltage
borad (ORZ
board)
F501 Service Call 121 High-voltage board 24V
SU board
(MHC board)
F1
•
Lamp Error
•
The operator panel
backlight blackout
SU, FAX, OPE, 5V
F2 No display on the
operator panel
SU, OPE 3.3V
F3 Lamp Error CIS 3.3V
F4 No display on the
operator panel
SU, FAX, 3.3V
F501 Lamp Error Clutch, Solenoid, CIS 24V
F502 Home Position Error FB/ADF Motor 24V