On the [Start] menu, click [Devices and Printers].
For Windows XP, click [Printers and Faxes].
For Windows Vista or Windows Server 2008, click [Control Panel]. Then click [Hardware and Sound], and then click [Printers].
For Windows Server 2003/2003 R2, point to [Settings], and then click [Printers and Faxes].
Right-click the icon of the LAN-Fax driver, and then click [Printing preferences].
Click [About].
Check the version.
Click [OK].