Speedy Inks - Compatible Toner to replace Dell KU055 310-9064 High Yield Magenta Toner Cartridge For use in Dell: 1320C Page Yield: 2,000 Color: Magenta | Shelf Life: 24-36 Months Replaces the following Dell part numbers: KU055, 310-9064, TP115, 310-9065, RY855, WM138, CT200946 The use of aftermarket replacement cartridges and supplies does not void your printer's warranty