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Brother MFC 4300 User Manual

Page 125

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T R O U B L E S H O O T I N G A N D R O U T I N E M A I N T E N A N C E

15 - 5

ERROR MESSAGE

CAUSE

ACTION

SET CARTRIDGE

Toner cartridge is not
installed.

Reinstall the toner
cartridge.

TONER EMPTY

Toner is used up and
printing is not possible.

Replace the toner
cartridge with a new one.
(See pages 15-26 to
15-29)

TONER LOW

If the LCD shows
TONER LOW, you can
still print. But the toner
is depleted and the fax
machine is telling you
that the toner will soon
run out.

Order a new toner
cartridge now.