LD Compatible Toner Cartridge Replacement for Brother TN660 High Yield (Black, 2-Pack) Page Yield: 2,600 per cartridge | Shelf Life: 24-36 months per cartridge We offer lightning fast shipping on all printing supply and inkjet photo paper orders The use of LD replacement ink and toner cartridges does not void your printers warranty All LD branded products are backed by a 100% satisfaction and LIFETIME guarantee For use in the following Brother DCP, HL, and MFC printers: DCP L2520DW, L2540DW, HL L2300D, L2320D, 2340DW, L2360DW, L2380DW, and MFC L2700DW, L2707DW, L2720DW, L2740DW