Extra High Yield Black Toner: 40,000 pages
SL-M4580FX
Drum Cartridge: 18,000 pages
For KX-MB2545CX/ 2275CX/ 2235CX
Black Toner: 1,200 pages
LBP-7018C
Black Toner Cartridge: Up to 2,500 pages @ 5% coverage
Laser Fax-2820/ MFC-7220/ 7420/ 7820N/ DCP-7010/ HL-2040/ 2070N