HP 43X High Yield Black Toner Cartridge,C8543X
Compatible HP models:LaserJet: 9000, 9000dn, 9000hdn, 9000hnf, 9000hns, 9000L, 9000Lmfp, 9000mfp, 9000n, 9040, 9040dn, 9040mfp, 9040n, 9050, 9050dn, 9050dnm, 9050mfp, 9050n, 9055, M9040, M9040dn, M9050, M9050dn, M9050n
Yields up to 30,000 pages.