1 Each. High-yield toner cartridge is specifically designed for use with Samsung ML-4512ND, ML-5012ND and ML-5017ND printers. You'll get first-rate print quality with crisp, vibrant output from the first page to the last. It is easy to install, affordable, and delivers sharp, professional results every time you print. High-yield capacity lowers costs and improves productivity. Cartridge yields approximately 30,000 pages.