44473001TH Rev.1
209 /
Oki Data CONFIDENTIAL
7. TROUBLESHOOTING PROCEDURES
Display Cause Error details Measure
Inspection is
required.
172 : Error
173 : Error
A fuser
thermistor
temperature
error (high
or low
temperature)
was detected.
Does the error occur again?
Does the error occur again?
Yes
Yes
Turn off and on the
MFP.
Replace the fuser unit.
Replace the low-
voltage power supply,
and then replace the
CU/PU board when
the error occurs again.
Inspection is
required.
174 : Error
A backup
thermistor
shot circuit
was detected
(high
temperature)
Does the error occur again?
Yes
Turn off and on the
MFP.
Replace the fuser unit.
Inspection is
required.
175 : Error
A backup
thermistor
open
circuit was
detected (low
temperature)
Does the error occur again?
Yes
Turn off and on the
MFP.
Replace the fuser unit.
Inspection is
required.
176 : Error
177 : Error
A backup
thermistor
temperature
error (high
or low
temperature)
was detected.
Does the error occur again?
Does the error occur again?
Yes
Yes
Turn off and on the
MFP.
Replace the fuser unit.
Replace the low-
voltage power supply.
Inspection is
required.
182 : Error
Option unit I/F
error
Does the error occur again?
Does the error occur again?
Yes
Yes
Turn off and on the
MFP.
Be sure of connector
connection.
Replace the option
unit.
Power OFF/ON
190 : Error
System
memory
overflow
Does the error occur again?
Yes
Turn off and on the
MFP.
Replace the CU/PU
unit.
Display Cause Error details Measure
Inspection is
required.
200 : Error
~
202 : Error
PU firmware
download error
An error occurred in re-
writing
the PU firmware.
Turn off and on the
MFP, and then re-
download it (In general
use of the MFP, this
re-writing is not
performed and this
error does not occur).
Power OFF/ON
203 : Error
204 : Error
207 : Error
208 : Error
213 : Error
214 : Error
F0C : Error
FFE : Error
FFF : Error
CU program
error (203
to 214 do
not occur in
general use of
the MFP)
Invalid processing was
performed with a CU
program.
Replace the CU/PU
board.
Power OFF/ON
209 : Download
error
Custom
Media
Type table
downloading
failure
Custom Media Type table
downloading failed.
Turn off and on the
MFP, and then re-
download it (In general
use of the MFP, this
downloading is not
performed and this
error does not occur).
Inspection is
required.
231 : Error *
TAG interface
error
IA TAG interface error was
detected.
Be sure the toner
cartridges and the
image drums are
properly set.
Replace the toner
cartridges. When the
error occurs again
after the image drums
are re-installed, be
sure of the cable
connection from the
CU/PU board to the
toner sensor board.
01
: A short-circuit error.
02 : TAG communication
error.
Power OFF/ON
250 : Error
SD card error