ADE Products &copy; Compatible High Yield Toner Cartridge Replacement for Brother TN336BK Brother TN336 Black for use in Brother HL-L8250CDN, HL-L8350CDW, HL-L8350CDWT, MFC-L8600CDW, MFC-L8850CDW Printers Guarantee: 1-Year Warranty, 100% Satisfaction Guarantee, 18 Month Shelf Life Color: Black Page Yield: 4,000 pages in accordance with ISO/IEC 19798 (LETTER/A4) Compatible Printers: HL-L8250CDN, HL-L8350CDW, HL-L8350CDWT, MFC-L8600CDW, MFC-L8850CDW Packaged properly to prevent toner dry out and any external damage to the toner cartridge.