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Before Calling Service Technician 197
Toner-related items
The department management
menu does not appear even
though “DEPARTMENT
CODE” is selected.
Any department code other
than the master code has
been entered in the depart-
ment code entry screen.
If you want to make settings for the
department management when it has
been already enabled, enter the master
code in the department code entry
screen, otherwise the department man-
agement menu cannot be displayed.
P.139 “Department Code”
In the department manage-
ment menu, switching the
department management to
be “YES” (enabled) or “NO”
(disabled) cannot be per-
formed.
There are print data or Fax
data in the print queue.
After the print data or Fax data have been
finished being printed, perform switching
again.
Even when the equipment is
connected with a PC by a
USB cable, the equipment is
not recognized.
This cable is not certified
according to the USB2.0 Hi-
Speed.
Use a USB2.0 Hi-Speed certified cable.
The equipment is connected
with a PC via a USB hub.
When the equipment is connected with a
PC via a USB hub, the equipment may
not be recognized. Connect it with a PC
directly by a USB cable.
Phenomenon Usual cause Countermeasure
Phenomenon Usual cause Countermeasure
“Toner is low” appears on the
display.
There is only a little toners
remaining in the toner car-
tridge.
There is still some toner in the toner car-
tridge. Do not replace the toner cartridge
until “Toner empty” appears.
“Toner empty” appears on the
display.
The toner in the toner car-
tridge has run out.
Replace the toner cartridge with a new
one.
“Toner not recognized”
appears on the display.
The toner cartridge is not
installed. Or it is not installed
correctly.
Install the toner cartridge correctly.
A toner cartridge not recom-
mended by TOSHIBA is
being used.
Use a TOSHIBA-recommended toner car-
tridge. If you use a toner cartridge other
than the one we recommend and you feel
annoyed by this message, contact your
service representative.
P.16 “Recommended toner cartridges”
“Toner is low” does not
appear on the display,
although toner is nearly
empty.
The toner-remaining check
function has been disabled
since the purchase of the
equipment.
Contact your service representative.
The equipment does not
become ready for copying
after the toner cartridge is
inserted.
The toner cartridge inserted
is not usable for this equip-
ment.
Check the product name of the toner car-
tridge. If you can see “T-1640”, this car-
tridge is usable.