LD Compatible Toner Cartridge Replacement for Dell 332-0402 XY7N4 (Yellow) 100% Satisfaction & LIFETIME Guarantee For use in Dell Color Laser C1660w Page Yield: 1,000 | Shelf Life: 24-36 months The use of compatible cartridges and supplies does not void your printers warranty All LD compatible toner cartridges for Dell contain a toner management computer chip system that works with your printer, which helps the cartridge to communicate more effectively with your computer