7 Click the Page Setup tab to display the Page Setupsheet.8 Click O Size Options to display the Paper Size Options dialog box.9 Enter a desired paper name in Custom Paper Size Name. 430 mm Square is used in this example.10 Select mm in Units.11 Enter 430 (16.9 in) in both Width and Height.Note• If you select the Fix the Ratio of the Width to Height check box, after you enter a value in either Width or Height,the other value will be automatically applied based on the original aspect ratio.12 Click Add to register 430 mm Square.13 Click OK to close the Paper Size Options dialog box.14 Click Cut Sheet in the L Paper Source list.15 In the A Page Size list, click the size you added,430 mm Square.16 Confirm the print settings and print as desired.Note• For tips on confirming print settings, see "Confirming Print Settings → P.180 "Printing on Non-Standard Paper Sizes (Mac OS X)Printing on Non-Standard Paper Sizes (Mac OS X)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 Page Sizes (Mac OS X v10.5)/CustomPaper Sizes (Mac OS X v10.6 or later).Once you register Custom Page Sizes/Custom Paper Sizes, you then can select it repeatedly from the paper sizelist.Custom Page Sizes/Custom Paper Sizes can be set up to 18.0 m.This topic describes how to register a non-standard paper size by the name of 430*430and print based on the followingexample.iPF8400 Printing on Non-Standard Paper Sizes (Mac OS X)User's GuideEnhanced Printing Options Printing banners or at other non-standard sizes121