Speedy Inks - 2PK Compatible Dell 330-9523 7H53W High Yield Black Toner Cartridge For use in Dell: Laser 1130, 1130n, 1133, & 1135n Page Yield: 2500 | Shelf Life: 24-36 Months Color: Black | Pack of 2 Replaces lower yield part numbers P9H7G and 330-9524. The use of aftermarket replacement cartridges and supplies does not void your printer's warranty