Oki B721

Oki Data CONFIDENTIAL
45487001TH Rev.1
6-15 /
6. Troubleshooting procedure
LCD Status
Message
READY
indicator
ATTEN-
TION
indicator
Beep Details
Error
code
This wireless
firmware version
does not operate
on this device
Press ONLINE
Button
Please see HELP
for details
Off Blink On The major version is not the same
with wireless bridge.
This status only for wireless LAN
printer.
Error
504
Wireless settings
are incomplete
Press ONLINE
Button
Please see HELP
for details
Off Blink On Wireless LAN can not startup. Some
setting need to be re-configured.
This status only for wireless LAN
printer.
Error
505
Not connected to
wireless access
point
Press ONLINE
Button
Please see HELP
for details
Off Blink On Can not setup communication with an
Access Point(there is not an usable
AP).
This status only for wireless LAN
printer.
Error
506
(ONLINE)
LCD Status
Message
READY
indicator
ATTEN-
TION
indicator
Beep Details
Error
code
Check Data
Message Data
Write Error
<%CODE%>
Varies Varies On Indicates that writing of message data
to be uploaded has been failed.
%CODE% is a decimal value (one
digit) and represents the cause of
failure in writing.
= 1 … FAIL: Other errors.
= 2 … DATA_ERROR: Hash check
error in data reading/writing, or
abnormal FLASH
= 3 … OVERFLOW: Downloading
failure due to FLASH memory
full at starting or during writing
in a language file
= 4 … MEMORYFULL: Memory
reservation failure
= 5 … UNSUPPORTED_DATA:
Downloading data unsupported
on the printer
Error
(ONLINE)
Firmware Update
Error
Please try again
If network doesn't
work, please try
firmware update
over USB
Varies Varies On FW Update was failed.
When this error occured, the FW
Update needs to be executed again,
and the printer needs to keep On-
Line.
Error
(ONLINE)
Face Up Stacker
Open
Duplex Not
Available
Please see HELP
for details
Off Blink On It is occurred when duplex printing
pages are added at the face up
stacker cover opened.
Error
581