Lexmark Z55 Certified System Driver for Microsoft Windows 2000, Server 2003, & XP. Once downloaded, double-click the file to extract the driver. Then, follow the on-screen instructions. This driver must be installed through the Add Printer Wizard. If you have a previous copy of this driver installed, uninstall it prior to installing this driver. Contact Lexmark at http://support.lexmark.com for support information on this file. These drivers can be downloaded from this web site free of charge. However, there will be a fee to cover materials and handling if requested from the Technical Support Center.