All genuine Brother toner is engineered as part of the Brother printing system to deliver reliable color and print quality. The formulation ensures even toner flow and uniform distribution. This magenta high-yield cartridge is compatible with Hl-3140CW, Hl-3170CDW, Hl-3180CDW, Mfc-9130CW, Mfc-9330CDW and Mfc-9340CDW, and yields approximately 2,500 A4 or letter-size, single-sided pages.