High-yield toner cartridge is designed for use with Hewlett-Packard LaserJet 9000 Series printers, including 9000, 9000n, 9000dn, 9000hnf, 9000hns, 9000mfp, 9040, 9040n, 9040dn, 9040mfp, 9050mfp, M9040 MFP, M9050 MFP, 9050, 9050n & 9050dn. Microfine toner produces clear, sharp results. Smart technology tunes particle charge for reliable results. Cartridge yields approximately 30,000 pages in most of these machines & approximately 38,000 pages in 9040mfp & 9050mfp.