The use of Brother Genuine replacement standard-yield toner cartridges like the TN-221BK produces sharp black-and-white pages with the quality you expect from Brother products. The Brother TN-221BK replacement black toner cartridge is for use with 6 Brother printers. This professional cartridge is intelligently engineered to work in seamless unison without compromising the quality of the print. The Brother Genuine TN-221BK replacement standard-yield black toner cartridge can print approximately 2 500 pages (1). You can feel comfortable knowing that Brother has an environmentally smart solution is dedicated to being environmentally responsible and offers disposal programs for properly discarding its cartridges. This replacement cartridge is for use with the following Brother printers and all-in-ones; HL3140CW HL3170CDW HL3180CDW MFC9130CW MFC9330CDW MFC9340CDW.