Oki C911 - Page 66

45530603TH Rev.2
4-21
Oki Data CONFIDENTIAL
4. TROUBLESHOOTING PROCEDURE
Panel display Cause Check details
Result
Solution
Service Call
167:Error
Thermistor slope
error
Is the error message
displayed?
Yes Restore the power.
Does this error recur? Yes After leaving the
printer for 30
minutes, turn on
the power again.
Service Call
168:Error
01: thermistor is
detected as
shorted
02: thermistor is
detected as open
03: thermistor
indicates high
temperature error
04: thermistor
indicates low
temperature error
Is the error message
displayed?
Yes Restore the power.
Does this error recur? Yes After leaving the
printer for 30
minutes, turn on
the power again.
When the power
is restored for the
168-03 error, the
display changes to
Service Call 994:
Error.
Service Call
169:Error
01: thermistor is
detected as
shorted
02: thermistor is
detected as open
03: thermistor
indicates high
temperature error
04: thermistor
indicates low
temperature error
Is the error message
displayed?
Yes Restore the power.
Does this error recur? Yes After leaving the
printer for 30
minutes, turn on
the power again.
Service Call
170:Error
171:Error
Short circuit (170) or
open circuit (171) of
the fuser thermistor
was detected.
Does this error recur? Yes
Restore the power.
Replace the fuser
unit.
Service Call
172:Error
173:Error
An abnormal (172:
high or 173: low)
temperature of the
fuser thermistor was
detected.
Does this error recur? Yes
Restore the power.
Replace the fuser
unit.
When the power
is restored, the
display may change
to Service Call
994: Error in some
cases.
Panel display Cause Check details
Result
Solution
Service Call
181:Error
182:Error
183:Error
184:Error
185:Error
Option unit I/F error
(181 = Duplex Unit,
182, 183, 184, 185 =
Optional Tray)
Does this error recur? Yes
Restore the power.
Check to make sure
the contact points
of the connector
and replace the
optional unit.
Service Call
188:Error
01: Error in
communication
with Port CPU
Power OFF/ON.
Does this error recur? Yes Replace the printer
control PCB.
02: Error in
communication
with Driver CPU
Does this error recur? Yes Replace the Driver
PCB.
Power Off/On
190:Error
System memory
overflow
Power OFF/ON.
Does this error recur? Yes Replace the printer
control PCB.
Power Off/On
203:Error
204:Error
CU program error
(not occur in normal
operation)
Power OFF/ON.
Does this error recur? Yes Replace the printer
control PCB.
Power Off/On
207:Error
208:Error
CU program error
(not occur in normal
operation)
Power OFF/ON.
Does this error recur? Yes Replace the printer
control PCB.
Power Off/On
213:Error
214:Error
CU program error
(not occur in normal
operation)
Power OFF/ON.
Does this error recur? Yes Replace the printer
control PCB.
Service Call
230:Error
Tag Reader Missing Power OFF/ON.
Does this error recur? Yes Replace the tag
reader/writer PCB
and the FFC.
Does this error recur? Yes Replace the printer
control PCB.
Service Call
231:Error
01: PU-Tag Reader
Interface Error
02: Tag Reader circuit
abnormality
03: Tag Interface
Error
Power OFF/ON.
Does this error recur? Yes Replace the tag
reader/writer PCB
and the FFC.
Does this error recur? Yes Replace the printer
control PCB.