15. Click ISO A3 in the I Paper Size list.16. Confirm the print settings, and then click M Print to start printing.Note• For tips on confirming print settings, see "Confirming Print Settings (Mac OS X) →P.428 "Resizing Originals to Fit the Roll WidthYou can freely adjust the size of originals by enlarging or reducing them as desired.Enlarged/Reduced PrintingEnlarge or reduce the original in the printer driver, as desired.Fit Roll Paper WidthEnlarge or reduce the original as a whole to match the roll paper width, as desired.For instructions on resizing originals to match the roll paper width, refer to the following topics, as appropriate for yourcomputer and operating system.• Resizing Originals to Fit the Roll Width (Windows) →P.70• Resizing Originals to Fit the Roll Width (Mac OS X) →P.73Note• For better printing results when enlarging photos from a digital camera in TIFF or JPEG format, use an im-age-editing application software such as Adobe Photoshop to specify an image resolution of 150 dpi or moreat actual size.Resizing Originals to Fit the Roll Width (Windows)This topic describes how to enlarge originals before printing to match the roll width, based on the following example.• Document: Any type• Page size: A4 (210.0×297.0 mm)/Letter (8.3 × 11.7 in)Enhanced Printing Options > Printing enlargements or reductions >Resizing Originals to Fit the Roll Width iPF650370