Edit Layout
Size
Select a paper size supported by the printer.
Portrait / Landscape
Sets the orientation.
Width / Height
Sets the size of the paper as well as the width (x length) and height (y length) of the layout. If the paper size is not supported by the selected printer, the Printer setting will be disabled.
<inches / millimeters / centimeters>
Units for the paper size. If the selected unit is different from Document Layout Unit, the selected unit will be converted.