Lexmark Z51 Series Driver for Microsoft Windows 2000, and Windows NT 4.0 . When extracted, this driver will detach to the c:\LXKZ51 directory. Then, it can be installed through the Windows Add Printer Wizard. Contact Lexmark for Support Information on this file at "http://support.lexmark.com". 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.