The following procedure is based on Windows 7 as an example.
On the [Start] menu, click [Devices and Printers].
Right click the icon of the printer you want to use, and then click [Printer properties].
Click the [Accessories] tab.
Click [Update Now].
If bidirectional communication is not established, select the installed option manually.
Click the [Paper Size Settings] tab.
Select the tray you want to use under [Input Tray:], select the paper size under [Paper Size:], and then click [Update Now].
If bidirectional communication is not established, select the tray and paper size manually.
Click [OK] to close the printer properties dialog box.