Canon TX-3100 Online Manual page 568

Roll 1: ISO A1/A2 Roll 2: ISO A3/A4
1. 1. Display the Devices and Printers window
Select the Control Panel -> Hardware and Sound (Hardware) -> Devices and Printers.
The Devices and Printers window is displayed.
2. 2. Display setup window
Right-click the "Your model name" icon, and select Printer properties.
The printer's Properties window appears.
3. 3. Set automatic paper source switching
On the Device Settings tab, select the Automatically switch paper sources (paper size priority)
check box.
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