Canon PIXMA MG3022 Online Manual page 207

Custom
Scans items with your favorite settings and saves the images to a computer. The item type can be
automatically detected.
Scan/save settings and the response after scanning can be specified in the Settings (Custom Scan)
dialog box.
Stitch
Displays the Image Stitch window in which you can scan the left and right halves of an item larger than
the platen and combine the scanned images back into one image.
Scan/save settings and the response after scanning can be specified in the Settings (Scan and Stitch)
dialog box.
ScanGear
Starts ScanGear (scanner driver) in which you can make image corrections and color adjustments
when scanning.
Scan/save settings and applications can be specified in the Settings (ScanGear) dialog box.
Instructions
Opens this guide.
Settings...
Displays the Settings dialog box
scanning.
in which you can specify the scan/save settings and the response after
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