Example of paper to load 2Paper source Roll Paper Width Media TypeUpper 36-in. Roll (914.4 mm) Plain PaperLower A1/A2 Roll (594.0 mm) Canon Coated PaperImportant• Double-roll switching cannot function if roll paper of a media type that cannot be automatically cut is fed tothe platen.For information on support for automatic cutting, refer to Paper Reference Guide. (See "Displaying the Pa-per Reference Guide.") ➔ P.335Note• For details on how to load roll paper in the printer, see "Handling rolls." ➔ P.342• If roll paper of different widths and different types are loaded in the upper and lower rolls, printing is per-formed on the roll paper that matches the media types specified in the print job.Since errors may occur or printing may be performed on the unintended roll depending on the settings, it isrecommended in this case that you print by specifying the better suited roll paper 1 or roll paper 2 withoutusing double-roll switching.• For more information on how the paper sources are switched, see "Roll Paper Switching Method." ➔ P.39Printing by Automatically Switching Between Upper and Lower Roll PaperPrinting by Automatically Switching Between Upper and Lower Roll PaperPrints by automatically switching between roll paper 1 and roll paper 2 depending on the type of media and sizespecified in the print job.For details, refer to the following topics depending on the operating system you are using.• Printing by Automatically Switching Between Upper and Lower Roll Paper (Windows) ➔P.32• Printing by Automatically Switching Between Upper and Lower Roll Paper (Mac OS) ➔P.37Printing by Automatically Switching Between Upper and Lower Roll Paper (Windows)Printing by Automatically Switching Between Upper and Lower Roll Paper (Windows)This section describes how to print by automatically switching between roll paper 1 and roll paper 2 depending onthe print job.Normally, refer to Basic Printing Method ➔P.33 .If you want to print by reducing as much margin of roll paper as possible, refer to Method of Conserving More Pa-per ➔P.34 . In this case, you need to load roll paper of the same media type in the upper and lower rolls.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.335Printing by Automatically Switching Between Upper and Lower Roll Paper iPF850User's GuideEnhanced Printing Options Using double-roll printing32
