ADE Products &copy; Compatible Replacement for Brother TN221BK, Brother TN221 Black for use in Brother DCP-9020CDN, HL-3140CW, HL-3150CDN, HL-3170CDW, MFC-9130CW, MFC-9330CDW, MFC-9340CDW Printers Guarantee: 1-Year Warranty, 100% Satisfaction Guarantee, 18 Month Shelf Life Color: Black Yiled: Approx. 2,500 pages in accordance with ISO/IEC 19798 (LETTER/A4) Compatible Printers: Brother HL-3140CW HL-3170CDW, MFC-9130CW, MFC-9330CDW & MFC9340CDW Printers Packaged properly to prevent toner dry out and any external damage to the toner cartridge.