Oki MC561 Maintenance Manual page 209

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