43856301TH Rev.3
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Oki Data CONFIDENTIAL
7. Troubleshooting and repair procedure
Display
Cause
Error details
Remedial measure
Re-start the printer.
203: error
204: error
207: error
208: error
214: error
FOC: error
FFF: error
CU program
error
(The error
numbers
203 through
214 do not
occur under
the normal
operation.)
Illegal processing is executed
by the CU program.
After turning off
the power, check
for the normal
connection
between the CU
board and the
PU board. Then,
turn on the power
again.
Service call
230: error
RFID Reader
not Installed
RFID read device error
Does this error recur?
Yes
Yes
Check for normal
connection of the
RFID R/W board.
Replace the RFID
R/W. Replace the
P6 X board.
Service call
231: error
RFID reader
I/F error
Interface error with the RFID
reader is detected.
01: Communication error
between the RFID reader
and the engine circuit
boards.
02: Error in the wireless circuit
of the RFID reader
03: Communication error
between the RFID reader
and the toner cartridge.
04: Error is detected in the
RFID toner cartridge.
(In more than 4)
01: Same as the
error no. 230
02: Replace the
RFID R/W
board.
03: Check for
normal
connection of
the antenna
cable.
04: Check if
quantity of the
toner cartridge
is correct or
not.
Re-start the printer.
901: error~
904: error
Note)
Abnormal
temperature
of belt
901: Short-
circuit
902: Open
circuit
903: High
temperature
904: Low
temperature
Is the cable from belt thermistor
to the high voltage board
connected normally?
Does this error recur?
No
Yes
No
Re-connect the
cables normally.
Turn on the power
again.
Replace the belt
thermistsor.
Display
Cause
Error details
Remedial measure
Re-start the printer.
918: error
Duplex
FAN Alarm
Caution
Fan error inside the duplex unit.
Does the error recur when the
power is turned off once and
back on?
Does the error recur when the
power is turned off once and
back on?
Yes
Yes
Check if the
Duplex unit is
installed normally
or not.
Check if the fans
are installed
normally or not.
Replace the fan.
Re-start the printer.
923: error
Black image
drum lock
error
The K ID does not rotate
normally.
Does the error display recur
when the power is turned off
once and back on?
Yes
Yes
Check if the K
ID is installed
normally or not.
Replace the K ID
unit.
Replace the K ID
motor.
Service call
928: error
Fuser motor
lock error
Fuser does not rotate normally.
Does this error recur?
Yes
Yes
Check if the
fuser is installed
normally or not.
Replace the fuser.
Replace the fuser
motor.
Service call
980: error
Media
wrapped
around the
fuser error
Media has wrapped around the
fuser.
Turn off the power.
Replace the fuser.
Service call
982: error
4th tray
detection
error
The 4th tray is installed.
Remove the 4th
tray.
Service call
983: error
Error due
to detection
of the toner
cartridges
of the same
color
Two or more toner cartridges of
the same color are detected.
Install the cartridge
of the specified
in the specified
position.
SDRAM ERROR
CU board
(CU) DCON
access error
Does this error recur?
Yes
Turn on the power
again.
Replace the CU
board.
