To use a paper size and feed direction other than those indicated on the paper size dial, set the dial to "", and then set the paper size and feed direction using the control panel.
Press the [User Tools/Counter] key.
Press [Tray Paper Settings].
Select a tray from [Tray Paper Size: Tray 1] to [Tray Paper Size: Tray 3] for which you want to change the paper size.
Select the loaded paper size and feed direction, and then press [OK].
Press the [User Tools/Counter] key.
For details about the available paper size, see Recommended Paper Sizes and Types.