3 In C Paper Size, click the size of the original. In this case, click ISO A4.4 Click F OK to close the dialog box.5 Choose Print in the application menu.6 Access the Main pane.7 In the A Media Type list, select the type of paper that is loaded. In this case, click Plain Paper.8 Make your selection in the E Print Target list.9 Make your selection in the F Print Quality list.10 Access the Page Setup pane.11 Select and click a roll paper in the A Paper Source list.12 Select the paper width of the roll loaded in the printer for B Roll Width. In this case, ISO A3/A4 (297.0mm)is selected.13 Select the J Print Centered check box.iPF850 Printing Originals Centered on Rolls (Mac OS)User's GuideEnhanced Printing Options Centering originals131