This article shows how to scan a Legal-sized document with the PIXMA G7020.
Solution
Select your computer's operating system.
Open the IJ Scan Utility:
Windows 10 / 11: From the Start menu, select All Apps > Canon Utilities > IJ Scan Utility. If you don't see this, type IJ Scan Utility in the search bar.
Windows 8 / 8.1: Select IJ Scan Utility on the Start screen. If IJ Scan Utility doesn't display, select the Search charm, then search for IJ Scan Utility.
Windows 7 / Windows Vista / Windows XP: From the Start menu, select All Programs > Canon Utilities > IJ Scan Utility > IJ Scan Utility.