Speedy Inks Toner Cartridge Replacement for Samsung MLT-D205L High Yield (Black) For use in Samsung: ML-3312ND, ML-3712DW, ML-3712ND, SCX-4835FD, SCX-4835FR, SCX-5639FR, & SCX-5739FW Page Yield : 5,000 Cost Per Page: 0.98 Cents Shelf Life: 24-36 Months The use of aftermarket replacement cartridges and supplies does not void your printer's warranty