High Capacity Black Toner Cartridge Compatible With HP C4127X 27X HP27X For:
HP LaserJet 4000 HP LaserJet 4000n HP LaserJet 4000SE HP LaserJet 4000t HP LaserJet 4000tn HP LaserJet 4050 HP LaserJet 4050n HP LaserJet 4050se HP LaserJet 4050t HP LaserJet 4050tn