Genuine HP950XL Black ink cartridge (CN045AA) For use with: HP Officejet Pro 8100, HP Officejet Pro 8600 Plus N811a, N911a, N911g, HP Officejet Pro 251dw, 276dw, Pro 8610, Pro 8620, Pro 8630, Officejet Pro 8600. Yield: Up to 2300 pages Colour: Black