Oki C821 Maintenance Manual

44015503TH Rev. 1
230 /
Oki Data CONFIDENTIAL
7. TROUBLESHOOTING PROCEDURE
If the following error is issued, check the corresponding fuse of the CU control board, 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
PU board
F1 Service call 918 (However,
if the Duplex unit is not
installed, it is the 2nd/3rd
hopping error.)
Duple
x, 2nd/3rd 24V
Less than
1 ohm
F2 Power supply shut-down PU board 5
V
F3 ID UP/DOWN error. Service
call 142
Belt motor, ID UP/DOWN
motor 24
V
F4 Cover open High voltage power supply
board, ID cooling fan, fuser
f
an 24V
F5 Service call 122 Power supply fan, feed
solenoid, f
eed motor 24V
High voltage
power supply
board
IP901 Cover open High v
oltage 24V
IP902 Service call 121 High v
oltage 5V
CU board
F506 •
Service call 131 to 134
error
•
All white page print
LED HEAD 5V
F505 Service call 131 to 134
error
LED HEAD 3.3
V
F501 HDD error HDD 5
V
F503 CENTRONIX interface error CENTR
ONIX interface 5V
F502 CENTRONIX interface error CENTR
ONIX interface 3.3V
F507 Host USB error PCI 5
V
7.6 Fuse check

Oki C821 Specifications

General

Brand	Oki
Model	C821
Category	All in One Printer
Language	English