Standard yield black toner cartridge for use with brother hl-l8250cdn, hl-l8350cdw, hl-l8350cdwt, mfc-l8600cdw, mfc-l8850cdw. This is a OEM MONOCHROMATIC TONER BROTHER brand Toner Cartridge (SD BLACK TONER) that works with the following printers / machines (HL-L8250CDN, HL-L8350CDW, HL-L8350CDWT, MFC-L8600CDW, MFC-L8850CDW). Product Features: Compatible with: Brother HL-L8250CDN, HL-L8350CDW, HL-L8350CDWT, MFC-L8600CDW, MFC-L8850CDW Duty Cycle: Up to 2500 pages ISO/IEC 19798 Printing Color: Black Printing Technology: Laser Product Description: Brother TN331BK - black - original - toner cartridge Product Type: Toner cartridge Key Selling Points:, Brother Genuine TN331BK Black Toner Cartridge., Professional color laser print quality you can consistently rely on for 2,500 pages. (Approx. toner cartridge yields in accordance with ISO/IEC 19798 (letter/A4))., Intelligently engineered to work in seamless unison with your Brother printer., Brother Genuine toner produces rich, vibrant prints that withstand the test of time. Benefits of this product: Brother Genuine TN331BK Black Toner cartridge delivers crisp, professional color laser output. STANDARD YIELD BLACK TONER. HL-L8250CDN, HL-L8350CDW, HL-L8350CDWT, MFC-L8600CDW, MFC-L8850CDW. OEM BROTHER Brand.