Brother Genuine TN-223BK Standard Yield Black Toner Cartridges deliver consistent, crisp, professional laser print quality with an up to 1,400-page yield (Approximate cartridge yield in accordance with ISO/IEC 19798 (letter/A4)). Brother Genuine toner is intelligently engineered to work seamlessly with your Brother printer to produce superior quality results that withstand the test of time. Use only Brother Genuine toner cartridges for reliable results. Brother offers an environmentally responsible way for customers to dispose of Brother Genuine cartridges at end of life. For use with Brother printer and all-in-one models: HL-L3210CW, HL-L3230CDW, HL-L3270CDW, HL-L3290CDW, MFC-L3710CW, MFC-L3750CDW and MFC-L3770CDW.