Oki C301 Maintenance Manual page 147

Oki Data CONFIDENTIAL
Display Causes
SERVICE CALL A backup
176:ERROR thermistor
177:ERROR temperature
error (high
or low
temperature)
was detected.
SERVICE CALL Option unit
182:ERROR interface error
POWER OFF/ON System
190:ERROR memory
overflow
SERVICE CALL PU firmware
200:ERROR download
error
202:ERROR
POWER OFF/ON Custom
209:DOWNLOAD Media
ERROR Type table
downloading
failure
44951501TH Rev.2
Error detail
Turn off and on
the printer.
Does the error occur again? Yes Replace the fuser
unit.
Does the error occur again? Yes Replace the low-
voltage power
supply.
Turn off and on
the printer.
Yes Be sure of
connector
connection.
Does the error occur again? Yes Replace the
option unit.
Turn off and on
the printer.
Does the error occur again? Yes Replace the CU/
PU unit.
An error occurred in re-writing Turn off and on
the PU firmware. the printer, and
then re-download
it (In general use
of the printer, this
re-writing is not
performed and
this error does not
occur).
Custom Media Type table Turn off and on
downloading failed. the printer, and
then re-download
it (In general use
of the printer, this
downloading is
not performed
and this error
does not occur).
Actions Display
POWER OFF/ON
203:ERROR
204:ERROR
207:ERROR
208:ERROR
213:ERROR
214:ERROR
F0C:ERROR
FFE:ERROR
FFF:ERROR
SERVICE CALL
231:ERROR
POWER OFF/ON
250:ERROR
SERVICE CALL
251:ERROR
POWER OFF/ON
252:ERROR
255:ERROR
POWER OFF/ON
256:ERROR
257:ERROR
Causes Error detail
CU program Invalid processing was
error (203 performed with a CU program.
to 214 do
not occur in
general use
of the printer)
TAG interface A TAG interface error was
error detected.
01: A circuit error.
03: TAG communication error.
SD card error
SD card
erasure error
SD card
security error
SD card error
7. TROUBLESHOOTING
Actions
Replace the CU/
PU board.
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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