Samsung SCX-4720FN - Manual (Page 193)

M AINTENANCE 8.8
Replacing the Toner Cartridge
When the display on the control panel shows the warning
message, “Toner Empty” or “[Toner Empty] Replace Toner,” the
machine stops printing. The incoming faxes are saved in
memory. At this stage, the toner cartridges needs to be
replaced.
N OTE : You can set the machine to ignore the “Toner Empty”
message and to continue printing.
1 Open the front door.
2 Lightly pushing the used cartridge down, pull it out.