The Lexmark T520 & T522 printers share common customer replaceable supplies to protect your investment. The single-element print cartridge is very easy to install & keeps printing & operational costs low. The high-yield print cartridge further reduces your total cost of printing, as well as your intervention rate. For use with Lexmark T520, T520d, T520dn, T520n, X520, X522s, T522, T522dn, T522n, X522, T520, T520n, X522 printers.