Lexmark Z42 / Z43 Series Driver for Microsoft Windows NT 4.0 and Windows 2000. Once downloaded, double-click the file to extract the driver and begin installation. Then, follow the on-screen instructions. For support information on this file, contact Lexmark at "http://support.lexmark.com". This version of the driver is only for Machine Type number 4101-002. 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.