Installation Instructions. To install the Lexmark X5470 All-in-one Printer driver, download the version of the driver that corresponds to your operating system by clicking on the appropriate link above. A window should then show up asking you where you would like to save the file.exmark X5470 Printer Driver. Free download and instructions for installing the Lexmark X5470 All-in-one Printer Driver for Windows 2000, Windows XP, Windows Vista 64-bit, Windows XP 64-bit, Windows Vista.