Brother MFC-4350 Owner's Manual

C H A P T E R N I N E T E E N

The MFC can print approximately 2,200 pages with one toner cartridge.
When the toner cartridge is running low, the display shows TONER LOW.
The MFC is supplied with a starter toner cartridge that must be replaced
after 1,000 pages.  Actual page count will vary depending on your average
document type (i.e. standard letter, detailed graphics).

It is a good idea to keep a new toner cartridge ready for use when you see
the toner low warning.

Discard the used toner cartridge according to local regulations.  If you are
not sure of them, consult Brother Customer Service.  Be sure to seal the
toner cartridge tightly so toner powder does not spill out of the cartridge.
When discarding used toner cartridges, keep them separate from domestic
garbage.

It is recommended that you clean the MFC when you replace the toner
cartridge.

When the toner cartridge is running low, the display shows TONER LOW
and the Toner Empty LED on the control panel flashes on and off to indicate
the toner is low.

The Toner Empty LED light stays on and the display shows TONER EMPTY to
indicate that the toner is empty.  Once this indication appears, your MFC will not
resume printing until you have installed a new toner cartridge.

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