Canon PIXMA MG2440 - Manual (Page 144)

When Scan via Driver is selected
The scanner driver screen appears. You can scan in the mode you want to use.
When Auto Scan is selected
Scanning starts. Items are detected automatically.
Note
To specify the scan/save settings, click Scan Settings... from the Use Scanned
Image menu. Refer to "Settings (Driver) Dialog" or "Settings (Auto Scan) Dialog"
for your model from Home of the Online Manual for details.
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