Speedy Inks Compatible Toner Cartridge Replacement for Dell B1260 |331-7328 (Black, 10-Pack) For use in Dell: B1265dfw, B1260dn, B1260dn, B1260dnf, and B1265dnf Page Yield: 2500 Includes 10 Black 331-7328 cartridges Shelf Life: 24-36 Months The use of aftermarket replacement cartridges and supplies does not void your printer's warranty