Important• If the same width and same media type of roll paper is loaded in the upper and lower rolls and Automat-ically switch paper sources (paper size priority) is enabled, printing is always performed on roll pa-per 1 (upper roll paper). If you want to load roll paper of the same width and media type in the upper andlower rolls and automatically switch between them, clear the Automatically switch paper sources (pa-per size priority) check box.• If Fit Roll Paper Width is selected in Enlarged/Reduced Printing and Roll Paper (Auto) is selected inPaper Source on the Page Setup sheet while you are performing enlarged/reduced printing with Auto-matically switch paper sources (paper size priority) enabled, printing is always performed from rollpaper 1 (the upper roll paper).• If you are performing borderless printing with Automatically switch paper sources (paper size priori-ty) enabled, only Scale to fit Roll Paper Width can be selected in Borderless Printing Method on thePage Setup sheet. In this case, printing is always performed from roll paper 1 (the upper roll paper). If apaper size or media type that does not support borderless printing is loaded in roll paper 1, you cannotperform borderless printing.Printing by Automatically Switching Between Upper and Lower Roll Paper (MacPrinting by Automatically Switching Between Upper and Lower Roll Paper (MacOS)OS)This section describes how to print by automatically switching between roll paper 1 and roll paper 2 depending onthe print job.Important• If you set Set./Adj. Menu>System Setup>Roll Switching to No RollSwitching in the control panel, printingmay be performed on the unintended roll paper. It is recommended that you set this setting to Use Optimal Sizein advance.• Double-roll switching cannot function if roll paper of a media type that cannot be automatically cut is fed to theplaten.For information on support for automatic cutting, refer to Paper Reference Guide. (See "Displaying the PaperReference Guide.") ➔ P.3351 Load roll paper in the upper and lower printer rolls.Note• Load roll paper of width and media type that suits your purpose in the printer by referring to Loading RollPaper in the Printer Depending on the Purpose ➔ P.31 .• For details on how to load roll paper in the printer, see "Handling rolls." ➔ P.3422 Choose Page Setup from the application menu todisplay the Page Attributes dialog box.Note• Page Setup might not be displayed in the menu de-pending on the OS you are using and the applica-tion software.In this case, select Print from the menu in the appli-cation software, and configure the settings in the up-per part of the printer driver screen that is displayed.iPF850 Printing by Automatically Switching Between Upper and Lower Roll Paper (Mac OS)User's GuideEnhanced Printing Options Using double-roll printing37
