Oki Data CONFIDENTIAL
2. TROUBLESHOOTING PROCEDURES
45850101TH Rev.1
2-83
2.6 Fuse Checking
If any of the following errors occurs, check the corresponding fuse on the CU/PU control
board or or Scanner board aor high voltage power supply board. (Refer to following Table)
Fuse Name
Error Description
Insert Point
Resistance
CU/PU board
(6CU)
F1
Paper jam in an option
tray during printing.
Option trays (Tray2 to Tray4): 24V
1
Ω
or less
F2
Service call 918
Duplex unit: 24V
F3
Service call 122
High-voltage power supply unit,
low-voltage FAN, belt FAN,
shutter solenoid, belt fuse,
ID fuse, discharging light,
fuser FAN: 24V
F4
Not displayed on the
operator panel.
CU part: 3.3V
F5
Not displayed on the
operator panel.
CU/PU part: 5V
F6
Paper jam in Tray 1
during printing.
Service call 140
Hopping clutch, registration clutch,
MPT clutch, ID UP clutch,
hopping motor: 24V
F8
Service call 928
Belt motor, ID motor FAN,
fuser side FAN:24V
F9
CM color missing
CM heads: 5V
F10 Service call 134
KYMC heads: 3.3V
F11 KY color missing
KY heads: 5V
F12 WLAN error
HOSTUSB: 5V
F13 Stapler error
Service call 090
Stapler:24V
F14 Doesn't start-up.
The hourglass-mark
is displayed on the
operator panel.
SATA:5V
F15 Not connected LAN.
Not lighted Power
LED.
CU/PU part: 5V
Fuse Name
Error Description
Insert Point
Resistance
Scanner board
(6SU)
F1
JAM <0103>
ADF Transfer Motor
1
Ω
or less
F2
Doesn't start-up.
The hourglass-mark
is displayed on the
operator panel.
CIS,USB-VBUS,Speaker,FAX
F3
JAM <0101>
ADF Feed Motor
F4
Doesn't start-up.
The hourglass-mark
is displayed on the
operator panel.
SU part:3.3V
F5
Carriage Error <02>
ADF Clutch, FB Motor, FAX,
Multi feed Sensor
F6
Not displayed on the
operator panel.
SU part:3.3V,Operator Panel:3.3V
F7
Not displayed on the
operator panel.
Paper size detect sensor,Operator
Panel:5V
Fuse Name
Error Description
Insert Point
Resistance
High-Voltage
Power board
(EHV)
F501 Cover open
High-voltage power supply: 24V
1
Ω
or less
