44205401TH Rev.1
202 /
Oki Data CONFIDENTIAL
7. Troubleshooting and repair procedure
If the following error is issued, check the corresponding fuse of the CU/PU control board
and high voltage power supply board.
(Refer to Table 7-6.)
Table 7-6 Fuse error
Fuse Name Error Description Insert Point Resistance
CU/PU board
(PU area)
F4 Service call 918
(However, if the Duplex
unit is not installed, it
is the 2nd/3rd hopping
error.)
Duplex, 2nd/3rd 24V
Less than
1 ohm
F3, F5 Power supply shut-down
(Not displayed on
operator panel)
CU 3.3V, PU 5V
F7 ID UP/DOWN error.
Service call 142
Belt motor, ID UP/DOWN motor,
Hopping clutch 24V
F1 Cover open High voltage power supply board,
ID cooling fan, fuser fan 24V
F10 Service call 122 Power supply fan, feed clutch,
MPT clutch, Fuse cut, feed motor
24V
High voltage
power supply
board
IP901 Cover open High voltage 24V
IP902 Service call 121 High voltage 5V
CU/PU board
(CU area)
F15 •
Service call 131 to 134
error
•
All white page print
LED HEAD 5V
F12 Service call 131 to 134
error
LED HEAD 3.3V
F8 CENTRONICS interface
error
CENTRONICS interface 5V
F9 CENTRONICS interface
error
CENTRONICS interface 3.3V
F11 Host USB error Host USB 5V
7.6 Fuse check