HP Q3960A Toner Cartridge from Hewlett Packard provides crisp and sharp output every time it is used especially with HP Colour LaserJet 2550, 2820 and 2840 printer series The clear and legible text gives all the printed documents a professional feel to it Being a high capacity cartridge it is suitable for printing in bulk and is suitable for everyday printing functions It is easy to use and convenient to handle The page life of the cartridge is 5000 pages at 5% coverage It is available in Black colour ink The Q3960A cartridge is compatible with HP Color LaserJet 2550L / 2550Ln / 2550n / 2820 / 2840 machines