Page Yield: 1,200 per cartridge Shelf Life: 36 months per cartridge These compatible cartridges are conveniently equipped with a smart chip that allows you to monitor and track your ink levels Compatible with the following Brother MFC Printers: J4320DW, J4420DW, J4620DW, J5520DW, J5620DW, and J5720DW (PLEASE NOTE: LC207BK is only compatible with the following- J4320DW, J4420DW, J4620DW) Color: Black, Cyan, Magenta, Yellow The use of aftermarket replacement cartridges and supplies does not void your printer's warranty