Brother TN-241BK — Black toner cartridge. Yield: up to 2,500 pages. Compatible with: HL-3140CW, HL-3150CDW, HL-3170CDW, MFC-9130CW, MFC-9140CDN, MFC-9330CDW, MFC-9340CDW, DCP-9015CDW, DCP-9020CDW.