44951501TH Rev.2
7-7
Oki Data CONFIDENTIAL
7. TROUBLESHOOTING
Warning
Panel display ( identi-
fies that no display is
provided)
On-
line
lamp
Atten-
tion
lamp
Detail Solution
ORDER %COLOR%
TONER
Varies On
(Blink)
(Off)
Indicates that the printer is low on toner,
or a waste toner near-full warning. With
MENU-SYS CONFIG MENU-"SYS
CONFIG MENU"-"LOW TONER"=STOP,
the printer flashes the attention LED,
going offline. When the ONLINE button
is pressed, or the printer has an error
and the error is cleared, the printer
goes online and, until TONER EMPTY,
continues printing. With MENU-
SYS CONFIG MENU-"SYS CONFIG
MENU"-"LOW TONER"=STOP, when
the printer is in the TONER LOW state
when turned on, the printer flashes
the attention LED at completion of
initialization, going offline. Pressing the
ONLINE button makes the printer still
able to perform printing until TONER
EMPTY. With ADMIN MENU-CONFIG
MENU-NEARLIFELED set to DISABLE,
the printer stays the attention LED
turned off.
−
%COLOR% WASTE
TONER FULL.
REPLACE TONER
Varies On A warning, which is displayed by cover
opening and closing, or turning off and
on the printer, after a toner-full error
occurs once. The printer displays this
warning and the first row’s message
in combination. While providing this
display, the printer has a waste toner-full
error every time printing approximately
50 pages, going offline and stopping.
%COLOR%
K
Replace the
toner cartridge
for the displayed
color.
NON OEM %COLOR%
TONER DETECTED
Varies On Indicates a toner cartridge is not for the
printer.
%COLOR%
Y
M
C
K
Ask the
customer to use
a proper part.
Panel display ( identi-
fies that no display is
provided)
On-
line
lamp
Atten-
tion
lamp
Detail Solution
%COLOR%
TONER REGIONAL
MISMATCH
Varies On Indicates a toner cartridge is not for the
printer.
%COLOR%
Y
M
C
K
Ask the
customer to use
a proper part.
NON GENUINE
%COLOR% TONER
Varies On Indicates a toner cartridge is not for the
printer.
%COLOR%
Y
M
C
K
Inform the
customer that
failures out of
improper use of
a part are not
repaired without
charge, and ask
the customer to
use a proper part.
%COLOR% TONER
SENSOR ERROR
Varies On Indicates a toner sensor error. When
having an error during printing in the
shipping mode, the printer provides
this warning. When the printer detects
an error while warming up, it has an
ERROR 540 to 543.
%COLOR%
Y
M
C
K
The printer provides a Service Call 160
to 163 in the Factory mode.
Check the toner
sensor.
PS3 EMUL ERROR
Blink Varies
Indicates the PostScript interpreter
detected an error.
Check the print data(C531, C331 and
C321)
Check the print
data
ORDER IMAGE DRUM
UNIT
Varies On
(Off)
Indicates an image drum is near the
end of its life. The printer can still
perform printing until causing an image
drum life error. With ADMIN MENU-
CONFIG MENU-NEARLIFE LED set
to DISABLE, the attention LED is not
lighting.
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