This product is either discontinued or we cannot get that from suppliers.
HP Q6003A Toner Cartridges, Magenta, Print Laser, Page yield black and white~2,000 pages, Standard Capacity.
HP ColorSphere toner produces sharp blacks and a dynamic range of bright, brilliant color. And with reliable HP Color LaserJet toner cartridge technology, photo-quality business printing is fast, simple and hassle-free.