11 Confirm the print settings, and click M Print to start printing.Note• For tips on confirming print settings, see "Confirming Print Settings ." ➔ P.250Printing on Non-Standard Paper SizesPrinting on Non-Standard Paper SizesFor printing on non-standard size paper, first register the paper size in the printer driver.Once you register a paper size, you then can select it repeatedly from the paper size list. The paper size can be setup to 18.0 m.Note• In Windows, although you can even set Custom Size for the paper size, the maximum settable size is 3.2 m. Thesetting of Custom Size is disabled when you exit the application software.For instructions on specifying non-standard paper sizes for printing, refer to the following topics, as appropriate foryour computer and operating system.• Printing on Non-Standard Paper Sizes (Windows) ➔P.95• Printing on Non-Standard Paper Sizes (Mac OS) ➔P.98Printing on Non-Standard Paper Sizes (Windows)Printing on Non-Standard Paper Sizes (Windows)For printing on non-standard size paper, first register the paper size in the printer driver.Call a non-standard paper size registered in the printer driver with Custom Paper Size.Once you register Custom Paper Size, you then can select it repeatedly from the paper size list.Custom Paper Size can be set up to 18.0 m.Note• Although you also can set Custom Size for the paper size temporarily, the maximum settable size is 3.2 m. Also,the setting of Custom Size is disabled when you exit the application software.Registering and Printing With a Custom Paper SizeThis topic describes how to register a non-standard paper size by the name of 430 mm Square and print based onthe following example.• Document: Any Type• Page Size: A square sheet (430 × 430 mm [16.9 × 16.9 in])• Paper: Sheets• Media Type: Any type• Paper Size: A square sheet (430 × 430 mm [16.9 × 16.9 in])1 Load the square paper (430 × 430 mm [16.9 × 16.9 in]) in the printer.2 Choose Print in the application menu.3 Select the printer in the dialog box, and then display the printer driver dialog box. (See "Accessing the Print-er Driver Dialog Box from Applications .") ➔P.148iPF780 Printing on Non-Standard Paper SizesUser's GuideEnhanced Printing Options Printing banners or at other non-standard sizes95