Compatible with DCP-9040 DCP-9040CN DCP-9045 DCP-9045CDN DCP-9045CN HL-4040 HL-4040CDN HL-4040CN HL-4050 HL-4050CDN HL-4050CN HL-4070 HL-4070CDW MFC-9440 MFC-9440CN MFC-9450CDN MFC-9840 MFC-9840CDW. Package Content Compatible Brother TN115K Toner Cartridge Black 1 Pack. Approximate Page Yield: Black -5000 pages per cartridge at 5% Coverage per Brother TN115K. Prints high-quality images and texts. Microchip Included: The intelligent chips make cartridges work with your printer.