From the home screen, navigate to:
> Paper Menu > Universal Setup > Units of Measure > select a unit of measure
Touch Portrait Width or Portrait Height.
Select the width or height, and then touch Submit.
The Universal Paper Size is a user-defined setting that lets you print on paper sizes that are not preset in the printer menus. Set paper size to Universal for the specified tray when the size you want is not available from the Paper Size menu. Then specify all of the following Universal size settings for your paper:
Units of Measure
Portrait Width
Portrait Height
The following are the supported Universal sizes:
76.2–296.93 x 76.2–1219.2 mm (3–11.69 x 3–48 inches)
297.18–320.29 x 76.2–609.6 mm (11.70–12.61 x 3–24 inches)
320.55–609.6 x 76.2–320.29 mm (12.62–24 x 3–12.61 inches)
609.85–1219.2 x 76.2–296.93 mm (24.01–48 x 3–11.69 inches)
From the home screen, navigate to:
> Paper Menu > Universal Setup > Units of Measure > select a unit of measure
Touch Portrait Width or Portrait Height.
Select the width or height, and then touch Submit.