12. Select and click a roll paper in the A Paper Source list.13. Make sure the width of the loaded roll is displayed in the B Roll Width list—in this case, ISO A2/A3(420.0mm).Note• If the width of the roll loaded in the printer is not shown in B Roll Width, click L Printer In-formation on the Main pane to update the printer information.14. Make sure C Page Size shows the original size as specified in C Paper Size in the Page Attributes dialog box—in this case, ISO A3.15. 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.407 "Enhanced Printing Options > Tiling and multiple pages per sheet >Printing Multiple Pages Per Sheet (Mac OS X) iPF8253142