Brother HL-1660e Series User Manual page 153

USER'S GUIDE
2–10
7. Close the top cover of the printer.
When the cartridge has almost run out of toner, the display shows the
following operator call message to prompt you to replace the toner
cartridge.
16 TONER EMPTY
Although you can print several pages after the toner empty message
appears, be sure to replace the toner cartridge with a new one before it
becomes completely empty.
Note
You can select the printer's operation when the "Toner Empty" message
is displayed with the MODE switch. The printer continues or stops
printing. For further information, see
For toner cartridge replacement, see
"Toner Low" in Chapter
"Toner Cartridge" in Chapter 6.
4.