Oki B721 Maintenance Manual

Oki Data CONFIDENTIAL
45487001TH Rev.1
6-17 /
6. Troubleshooting procedure
LCD Status
Message
READY
indicator
ATTEN-
TION
indicator
Beep Details
Error
code
Install New Print
Cartridge
For Maximum
Performance
Always Use
%COMPANY_
NAME% Original
– – – This should be appeared after the print
cartridge life error messages when
OKIORIGINALCONSUMABLEDISPLAY is
ON to display this.
–
Install Toner
Please see HELP
for details
Off Blink On Toner ends.
Error 413 : Black
Toner empty warning status takes
effect at Cover Open/Close.
When you did elimination of
(cancelling) print data, it can not turn
into warning (only for K).
Error
413
Install New Print
Cartridge
Print Cartridge Life
To Exceed the
Life, Press Online
Button
Please see HELP
for details
Off Blink On Print Cartridge ends.
Error 413 : Black
The operator can prolong the life
temporarily by pressing the Online
button.
Error
413
Incompatible Toner
Please see HELP
for details
Off Blink On The signature ID of toner cartridge is
not proper to the distribution channel,
but the group of signature ID is proper
(OKI regional mismatch).
As probable missing to measure the
amount of toner, the printer notifies
error status and stop printing.
Error 557 : Black
Error
557
Incompatible Print
Cartridge
Please see HELP
for details
Off Blink On The signature ID of Print Cartridge is
not proper to the distribution channel,
but the group of signature ID is proper
(OKI regional mismatch).
As probable missing to measure the
amount of toner, the printer notifies
error status and stop printing.
Error 557 : Black
Error
557
LCD Status
Message
READY
indicator
ATTEN-
TION
indicator
Beep Details
Error
code
Incompatible Toner
Please see HELP
for details
Off Blink On The signature ID of toner cartridge is
not proper to the distribution channel,
and the group of signature ID is not
proper (OEM channel mismatch).
Error 617 : Black
Error
617
Incompatible Print
Cartridge
Please see HELP
for details
Off Blink On The signature ID of Print Cartridge is
not proper to the distribution channel,
and the group of signature ID is not
proper (OEM channel mismatch).
Error 617 : Black
Error
617
Incompatible Toner
Please see HELP
for details
Off Blink On The signature ID of toner cartridge is
not proper to the distribution channel,
and the group of signature ID is
protected (OEM mismatch).
Error 623 : Black
Error
623
Incompatible Print
Cartridge
Please see HELP
for details
Off Blink On The signature ID of Print Cartridge is
not proper to the distribution channel,
and the group of signature ID is
protected (OEM mismatch).
Error 623 : Black
Error
623
Non Genuine Toner
Please see HELP
for details
Off Blink On The signature ID of toner cartridge
can not be recognized (Unauthorized
third party).
As probable missing to measure the
amount of toner, the printer notifies
error status and stop printing.
Error 553 : Black
The engine is confirmed again by
cover open/close.
And, when the toner cartridges have
not been exchanged, it shifts to
Warning.
And, it is possible to print up to 20.
Error
553

Oki B721 Specifications

General

Print Technology	LED
Resolution	1200 x 1200 dpi
Processor	533 MHz
Memory	256 MB
Connectivity	USB, Ethernet
Duplex Printing	Standard