Manufacturer: HP Compatible with: HP color LaserJet 9500, HP Color LaserJet 9500gp, HP Color LaserJet 9500hdn, HP Color LaserJet 9500n Printers Usually ships: Same day/nest day Mfg. part no.: C8550A Product specifications - HP C8550A Product type: Print Cartridge Packaged quantity: 1 Color: Black Cartridge duty cycle: 25,000 pages Print technology: Laser