Canon iPF825 User Manual page 205

2.
Select the printer, and then display the printer properties dialog box.
3.
Click the Device Settings tab to display the Device Settings sheet.
4.
A
Select the Automatically switch paper sources (paper size priority) check box.
5.
C
Click Acquire Status.
The paper size information is acquired from the printer, and the width of the roll paper that is actually loaded in
the printer is displayed.
6.
Click OK to close the dialog box.
7.
Choose Print in the application menu.
iPF825
Enhanced Printing Options
Switching the Paper Source of Roll Paper to Match the Paper Size
> Other useful settings >
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