Compatible with HL-L3210CW HL-L3230CDW HL-L3270CDW HL-L3290CDW MFC-L3710CW MFC-L3750CDW MFC-L3770CDW. Package Content Compatible Brother TN227K COMPATIBLE TONER Toner Cartridge Black 1 Pack. Approximate Page Yield: Black -3000 pages per cartridge at 5% Coverage per Brother TN227K COMPATIBLE TONER. Prints high-quality images and texts. Microchip Included: The intelligent chips make cartridges work with your printer.