7 Click the Page Setup tab to display the Page Setupsheet.8 Click Cut Sheet in the L Paper Source list.9 Click Custom Size in the A Page Size list to display the Custom Size Settings dialog box.10 Confirm that mm is selected in Units.11 Enter 430 (16.9 in) in both Width and Height.12 Click OK to close the Custom Size Settings dialog box.13 Confirm the print settings and print as desired.Note• For tips on confirming print settings, see "Confirming Print Settings ." ➔ P.161Printing on Non-Standard Paper Sizes (Mac OS)Printing on Non-Standard Paper Sizes (Mac OS)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 Sizes .Once you register Custom Paper Sizes, you then can select it repeatedly from the paper size list.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*430 and print based on thefollowing 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])Note• The following instructions are for OS X v10.7. The method of setting up non-standard paper sizes varies dependingon the version and settings of Mac OS X.1 Create the document in the application.2 Load the square paper (430 × 430 mm [16.9 × 16.9 in]) in the printer.iPF850 Printing on Non-Standard Paper Sizes (Mac OS)User's GuideEnhanced Printing Options Printing banners or at other non-standard sizes111