The HP Color LaserJet 3600 Color Toner Set Q6471A Q6473A is a collection of toner cartridges designed specifically for the HP 3600 printer model. These cartridges are manufactured by HP and are compatible with HP printers. This expired set is ideal for users looking to replenish their toner supplies for high-quality color printing. The set includes toner cartridges that are designed to provide consistent and reliable color output, making it a great choice for both home and office printing needs.