When you want prints that are at the very highest level of quality, the HP No. 644A Magenta LaserJet Toner Cartridge is the ideal solution. Designed for Colour LaserJet 4730 printers, it's packed with enough magenta toner to print up to 12,000 pages. This cartridge is designed to express a wide range of shades, meaning that colours are clearly separated. This ensures that even if you are printing tonally complex images, you can be sure of their definition.