Using Windows XP as an example, this section explains how to change the LPR port setting.
In the [Printers and Faxes] window, click the icon of the printer you want to use. On the [File] menu, click [Properties].
Under Windows 2000/Vista and Windows Server 2008, click the icon of the printer you want to use in the [Printers] window.
Click the [Ports] tab, and then click [Add Port].
Click [LPR Port], and then click [New Port].
In the [Name or address of server providing lpd] box, enter the printer's IP address.
In the [Name of printer or print queue on that server] box, enter “lp”, and then click [OK].
Close the printer port dialog box.
Check the location for the selected printer, and click [Close].