Make sure the Main sheet is displayed.
Media Type list, select the type of paper that is loaded.
After confirming that
Click the Page Setup tab to display the Page Setup sheet.
Size Options to display the Paper Size Options dialog box.
Enter a desired paper name in Custom Paper Size Name. 430 mm Square is used in this example.
Enhanced Printing Options
Easy Settings is selected, select from the
Printing banners or at other non-standard sizes
Print Target list.
Printing on Non-Standard Paper Sizes (Windows)