Register a custom paper size.
Open the bypass tray.
Insert the paper face up until you hear the beep, and then align the paper guides to the paper size.
The bypass tray (
) is selected on the display.
Press the [
] key.
Press [Paper Size].
Press [Custom Size].
Enter the horizontal size with the number keys, and then press [
].
Enter the vertical size with the number keys, and then press [
].
Press [Program].

The confirmation screen appears.
Press [Exit].
Press [OK] twice.
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To change the value you entered, press the item you want to change, and then enter a new value.
You can specify only one custom size.