Brother TN331BK, TN331C, TN331M, TN331Y (TN-331BK, TN-331C, TN-331M, TN-331Y) Black, Cyan, Magenta and Yellow Toner Cartridge Set Genuine Brother black, cyan, magenta and yellow toner cartridges Work with Brother HL-L8250CDN, HL-L8350CDW, MFC-L8600CDW, MFC-L8850CDW printers TN331BK cartridge yields approx. 2500 pages TN331C/TN331M/TN331Y cartridges yield approx. 1500 pages Genuine Brother supplies are designed to achieve optimum performance and superior output