HP Q3960A Black Toner Cartridge

For use with:
HP All-in-One Machines - Color LaserJet 2550 Series, Color LaserJet 2820, Color LaserJet 2840
HP Laser Printers - Color LaserJet 2550 Series, Color LaserJet 2820, Color LaserJet 2840
* Yields up to 5,000 pages