Brother Genuine LC3039BK Single Pack Ultra High-yield Black INKvestment Tank Cartridges deliver consistent, professional print quality and ultra convenience with an up to 6,000-page yield (Approximate page yield in accordance with ISO/IEC 24711). Brother Genuine ink is intelligently engineered to work seamlessly with your Brother INKvestment Tank inkjet printer to consistently produce sharp prints that withstand the test of time. Brother Genuine LC3039BK is for use with Brother INKvestment Tank affordable inkjet all-in-one printers MFC-J5845DW, MFC-J5845DW XL, MFC-J5945DW, MFC-J6545DW, MFCJ6545DW XL and MFC-J6945DW with Brother tank technology.