Toner Empty - Lenovo LJ2500 User Manual

LED Printer status
Toner Low
Indicates that the toner cartridge is nearly empty. Purchase a
new toner cartridge and have it ready for when Toner Empty is
indicated.
Blinking every 5
seconds

Toner Empty

Replace the toner cartridge with a new one. See "Replacing the
Toner Cartridge" in Chapter 5.
Near End of Life
The drum unit is near the end of its life. We recommend that you
obtain a new drum unit to replace the current one. See
"Replacing the Drum Unit" in Chapter 5.
3-4