Toner cartridge delivers optimum text and graphics print quality in your Brother DCP-7030, DCP-7040, DCP-7045N; HL-2140, HL-2150N, HL-2170W; MFC-7320, MFC-7340, MFC-7345N, MFC-7440N and MFC-7840W. Proprietary automated equipment and ASTM testing methods ensure superior performance from each and every cartridge produced. State-of-the-art, automated filling equipment ensures precise fill weights for each cartridge. Independent testing has verified that this cartridge functions fully until end-of-life while yielding the same or more pages than OEM cartridges. Cartridge yields approximately 1,500 pages.