TN350 - TONER FOR HL2040 HL2070N MFC7420 MFC7820N DCP7020 $44.01

This toner cartridge yields approximately 2, 500 pages when printing at 5% coverage on A4/Letter sized paper. When the "Toner" LED starts to blink, the toner cartridge is almost empty. You should order a new toner at this time to be ready for when the toner cartridge is out of toner.

Buy.com is carrying this Toner Cartridge for $44.01