Remanufactured toner cartridge delivers optimum text & graphics print quality in your Brother DCP-9040CN, DCP-9045CDN, HL-4040CDN, HL-4040CN, HL-4070CDW, MFC9440CN, MFC9450CDN & MFC9840CDW. Proprietary automated equipment & ASTM testing methods ensure superior performance from each & 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 4,000 pages.