Oki C301 Maintenance Manual

44951501TH Rev.2
7-73
Oki Data CONFIDENTIAL
7. TROUBLESHOOTING
If any of the following errors occurs, check relevant fuses on the CU control board, the PU
control board and the high-voltage power supply board.
7.6 Fuse check
C531/C331/C321 Fuse Errors
Fuse Name Error Description Insert Point
Resistance
CU/PU board
(CLQ-2/-1
board)
F2
Service call 128
Error 08
Front fan, hopping motor,
registration clutch, hopping clutch,
MPT clutch, Duplex clutch
1
or
less
F4 Service call 122 Rear fan, hopping motor,
registration clutch, hipping 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
board (ORZ
board)
F501 Service call 121 High-voltage board 24V
C511/C301 Fuse Errors
Fuse Name Error Description Insert Point
Resistance
CU/PU board
(SOP-2/-1
board)
F2
Service call 128
Error 08
Front fan, hopping motor,
registration clutch, hopping clutch,
MPT clutch, Duplex clutch
1
or
less
F4 Service call 122 Rear fan, hopping motor,
registration clutch, hipping clutch,
MPT clutch, Duplex clutch
F5 Cover open High-voltage board, ID fan, belt
motor
F3 • Service call 121
• The operator panel
backlight blackout
PU 5V
F7 No display on the
operator panel
CU/PU 3.3V
F6 • Service call 131 to
134
• Blank page printing
LED head 5V
High-voltage
board (ORZ
board)
F501 Service call 121 High-voltage board 24V

Oki C301 Specifications

General

Brand	Oki
Model	C301
Category	Printer
Language	English