Oki B721

Oki Data CONFIDENTIAL
45487001TH Rev.1
6-27 /
6. Troubleshooting procedure
Panel display Cause Check details
Result
Solution
Power Off/On
203: Error, 204:
Error
An error was
detected of the CU
program.
(These problems
are not occurred in
the usual operating.)
Reinstall the PU/CU
board.
Is the error message
displayed again?
After turn power
OFF, check
connections
between CU board
and PU board.
Then turn power
ON again.
Power Off/On
207: Error, 208:
Error
An error was
detected of the CU
program.
(These problems
are not occurred in
the usual operating.)
Reinstall the PU/CU
board.
Is the error message
displayed again?
After turn power
OFF, check
connections
between CU board
and PU board.
Then turn power
ON again.
Power Off/On
209: Download
Error
Media Table
download Error.
(This problem is
not occurred in the
usual operating.)
Downloading Media
Table to PU has failure.
(Related to Custom
Media Type)
Turn the printer
OFF/ON, and
retry to download
again.
Power Off/On
213: Error, 214:
Error
An error was
detected of the CU
program.
(These problems
are not occurred in
the usual operating.)
Error occurred while
printing
After turn power
OFF, check
connections
between CU board
and PU board.
Then turn power
ON again.
Panel display Cause Check details
Result
Solution
Service Call
231: Error
Tag Interface Error
05: K reader (TC/ID)
- Tag interface
connection error
11: K reader (TC/ID)
- Tag interface
connection error
05, 11:
Does error reoccur?
Does error reoccur
after the power
restoration?
Is the Tag cable
connected properly?
Does error reoccur
after the power
restoration?
Ye s
Ye s
No
Ye s
Replace the toner
cartridge, ID or
Print Cartridge.
Check the Tag
cable.
Connect the cable
properly.
Replace the PU/
CU board.
Power Off/On
250: Error
Secure File Erasing
Error
Did the user accept to
execute Erase HDD?
Inform the user
that it is necessary
to execute Disk
ERASE to restore
the HDD defaults
in order to delete
the encrypted file.
Service Call
251: Error
Secure Disk Erasing
Error
Error occurred during
Disk ERASE.
Does error reoccur? Ye s
Power Off/On.
Replace the HDD.