Premium W5389 (310-5404) Black Toner Cartridge fully compatible with the Dell 1700, 1710; Lexmark E230, 232, 238, 240, 242, 330, 332, 340, 342, X340, 342; IBM 1412, 1512, Unisys 423, Toshiba 270P. The use of compatible supplies does not void your printer warranty.
