Compatible Brother TN155 Black Toner Cartridges x 2

Compatible with HL-4050CDN / HL-4040 / HL-4050 / HL-4070 / MFC-9440 / MFC-9840 / MFC-9450CN (REPLACED TN135BK)

Approx Page Yield @ 5% Coverage:

Black – 5 000 pgs