Cartritech compatible Brother TN336 TN331 Black Toner Cartridge for Brother HL-L8250CDN HL-L8350CDW HL-L8350CDWT MFC-L8600CDW MFC-L8850CDW Brother HL-L8250CDN HL-L8350CDW HL-L8350CDWT MFC-L8600CDW MFC-L8850CDW OEM Part Number: TN336 / 331 Black Type : Compatible, Print Yield : 4,000 Yield, Print Color : Black