When the custom size paper is loaded, the user must specify the paper size using the control panel.
Press the [Paper Setting] key.
Select the tray for which you want to change the paper size.
Press [Manual Paper Settings].
Press the [Paper Size] tab.
Press [Custom Size].
If a custom size is already specified, press [Change Size].
Press [Vertical].
Enter the vertical size using the number keys, and then press [].
Press [Horizontal].
Enter the horizontal size using the number keys, and then press [].
Press [OK] twice.
Press the [Paper Setting] key.