From the Apple menu, select [System Preferences…].
Under "Hardware", click [Print & Fax].
Click the [Set Up Printers…].
Select the machine from "Printer List", and then click [Show Info].
In the [Printer Info] dialog box, select [Installable Options] from the list.
Check the tray 2 configuration, and then click [Apply Changes].
Click the close button at the upper left corner to close the [Printer Info] dialog box.
Click the close button at the upper left corner to close the [Printer List] dialog box.
From the [System Preferences] menu, click [Quit System Preferences].