Print cartridge is specifically designed to use with your Samsung ProXpress M3320ND, M3820DW, M3370FD, M3870FW, M4020ND and M4070FR. You'll get first-rate print quality with crisp, vibrant output from the first page to the last. Cartridge is easy to install and delivers sharp, professional results every time you print. Toner cartridge yields approximately 5,000 pages.