HP 641A (C9720A) Black Original LaserJet Toner Cartridge for HP Color LaserJet 4610n (Q7732A), 4650hdn (Q3672A), 4650n (Q3669A), 4650 (Q3668A), 4650dn (Q3670A), 4650dtn (Q3671A), 4600dn (C9661A), 4600dtn (C9662A), 4600n (C9692A), 4600 (C9660A), 4600hdn (C9663A)