Do it Wiser Compatible Brother TN336 TN315 TN310 TN331 High Yield Toner Cartridge for Brother MFC-L8600CDW HL-L8350CDW MFC-L8850CDW MFC-9970CDW HL-4150CDN Printer (Yellow 3,500 Pages) Compatible with Part Number: TN336Y TN315Y TN310Y TN331Y Estimated page yield: 3500 pages (depends on printer and usage) Suitable for printer models: Brother MFC-L8600CDW, HL-L8350CDW, MFC-9970CDW, HL-L8250CDN, HL-L8350CDW, MFC-L8850CDW, MFC-L8650CDW, DCP-L8400CDN,DCP-L8450CDW, HL-4140CN, HL-4150CDN, HL-4570CDW, MFC-9460CDN, MFC-9560CDW Our Do it Wiser smart toner cartridges are covered by a 1 year warranty against defects Cartridges certified to work | ISO 9001 quality assurance | ISO 14001 environmental management | RoHS Lead Free Brother TN336Y Brother TN315Y Brother TN310Y Brother TN331Y Brother HL-L8250CDN, HL-L8250CDW Brother HL-L8350CDW, HL-L8350CDWT Brother HL-4570CDW,  HL-4570CDWT Brother HL-4140CN, HL-4150CDN Brother MFC-9970CDW Brother MFC-L8600CDW Brother MFC-9460CDN, MFC-9465CDN Brother MFC-L8650CDW, MFC-L8850CDW Brother DCP-9050CDN, DCP-9055CDN Brother MFC-9560CDW Brother DCP-9270CDN Brother DCP-L8400CDN Brother DCP-L8450CDW