Renewable Toner Compatible Toner Cartridge Replacement for Brother TN-331 TN331 HL-L8250 L8350 MFC-L8600 L8850 (Cyan, Magenta, Yellow, Black, 4-Pack) LOW COST, HIGH VALUE. RT replacement for Brother TN331 toner. Printing cost is as low as .04 cents per page, up to 50% less than Brother TN-331 original toner cartridges. Replaces OEM #: Brother TN-331 | TN331Y TN331M TN331C TN331BK For use in Brother HL-L8250CDN, HL-L8350CDW, HL-L8350CDWT, MFC-L8600CDW, MFC-L8850CDW Yield Color Black: 4,000 pages; Yield Color CMY: 1,500 pages at 5% coverage LIFETIME WARRANTY. We honor our warranty regardless of purchase date, even if the Amazon return window has closed