HQ Products &copy; Compatible Replacement for HP Q3964A Drum unit Toner Cartridge for use in HP Color Laserjet 2550, 2550L, 2550LN, 2550N, 2800, 2820, 2840 Series Printers. Remanufactured in California, USA Premium RE-Manufactured Page Yield: Up to 20,000 Pages at 5% Coverage All of our products are offered 100% Quality Satisfaction Guarantee. For use with HP Color Laserjet 2550, 2550L, 2550LN, 2550N, 2800, 2820,2840 Series Printers Series Printers Note: This is not original HP toner cartridge. This is a generic toner cartridge refurbished or manufactured by seller.