Use the Custom Paper Size dialog box to print on a special paper size.
Follow these steps to define a custom paper size:
Open the Printer Properties dialog box.
Click the Paper/Quality tab.
Click the Custom button.
The Custom Paper Size dialog box is displayed.
Select a custom paper size name from the Name drop-down list.
Enter the paper dimensions in the Width and Length boxes.
The minimum and maximum paper dimensions appear beneath each of the boxes.
Select the unit of measurement: Inches or Millimeters.
Click Save to save the custom paper size.
You can save up to five custom paper sizes.
Click OK to exit the Custom Paper Size dialog box.