Premium Quality W5389 (310-5404) Toner Cartridge 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. Product Detail Ninestartechonline.com