Oki C910, Service Manual, Page: 194 / 282

Oki Data CONFIDENTIAL
44043511TH Rev.2
193 /
Table 7-1-1 Operator Alarm (5/9)
Display Cause Error Description and Analysis
Judgement
Remedy
Service Call
203: Error
204: Error
207: Error
to
213: Error
Power Off/on
nnn: p
0xFOC: Error
0xFOD: Error
0xFFE: Error
0xFFF: Error CU Program Dysfunction Detected illegal process with CU
program. Yes Write down the 24 digit number
displayed on the LCD panel and
report it.
Turn OFF the power. Then check
the insertion of the CU board.
Now turn ON the power again.
Service Call
230: Error RFID Reader not Installed 1) RFID read device error
2) Does the Error take place again?
Yes
Yes
Check the connection of the RFID
R/W board.
Replace the RFID R/W board.
Replace the S2X board.
Service Call
231: Error RFID Reader I/F Error An interface error was detected with
the RFID reader device.
01: communication error between the
RFID reader and the engine PCB.
02: the transceiver circuit error of the
RFID reader.
03: communication error between
the RFID reader and the Toner
cartridge.
04: the Toner cartridge detection error
(more than 4).
01: Same action as for error 230
02: Replace the RFID R/W
board.
03: Check the connection of the
antenna cable.
04: Check to confirm that the
number of Toner cartridge is
correct.
Service Call
240: Error
to
245: Error
247: Error
248: Error Engine Program Memory
Error 240 :Flash-memory hardware error
241 :Duplex flash-memory error
242 :Optional tray-2 flash-memory
error
243:Optional tray-3 flash-memory error
244 :Optional tray-4 flash-memory error
245 :Optional tray-5 flash-memory error
247 :Sub-CPU flash-memory error
248 :Inverter flash-memory error
If the error still occurs after
rebooting, replace the circuit
board of the relevant unit.
Service Call
250: Error Secure File Erasing Error The printer detected a secure-file
erasure error. Erase contents of HDD completely
by using the disk erase function
(HDD ERASE).
Service Call
251: Error Secure Disk Erasing Error The printer detected an error during
data erasure on its HDD. Turn off and on the printer. When
this does not work, replace the
HDD.
Close the Cover
Top Cover Open
Please see
HELP for details
The printer engine cover is
open. 1) Check to see if the top cover is
open.
2) Check to see if the cover switch is
normal.
Yes
No
Close top cover
Replace the cover switch.
Reset fuser
Fuser Error
Please see
HELP for details
After turning ON the power
or when cover is closed, the
sensor detects that the unit
is missing. 1) Is an Error message displayed?
2) Is the fuser unit mounted properly?
3) Does the Error take place again?
Yes
No
Yes
Check how the fuser is mounted.
Re-mount the fuser, then turn ON
the power again.
Replace the Fuser Unit Assy.
Check paper
Paper thickness
error
TRAY
Please see
HELP for details
When media is missing,
the sensor output value is
outside the standard value.
(Only for Factory Mode) 1) Has any abnormal substance get
mixed in with the sensor?
2) Can the paper thickness detection
be reset and restored by opening/
closing the tray?
3) Is operation restored by turning
OFF/ON the power?
Yes
No
Remove obstruction/impurity.
Normal