Specifically designed for use with Samsung M3820D, M3820ND, M3820DW, M3870FD, M3870FW, M4020D, M4020ND, M4020NX, and M4070FR printers, this Q-Connect Samsung Black Toner Cartridge ensures you receive optimal performance from your machine. With a print yield of 10000 pages, this extra high yield cartridge delivers crisp text and rich black lines for quality and vibrant prints.