INK4WORK Compatible Toner Cartridge Replacement For Brother TN-221BK TN221 Black to use with HL-3140CW HL-3170CDW MFC-9130CW MFC-9330CDW MFC-9340CDW (Black) ink4work Compatible with Brother TN-221 (TN221) Black Toner Cartridge We offer a 100% Quality Satisfaction Guarantee. Sold by ink4work Not made by Brother