Canon PIXMA MG6320 Online Manual page 29

1. In descending order of stars of images for which favorite levels are set
2. In descending order of print count
3. In descending order of access count
4. In descending order of shooting date
To make your favorite photos more likely to be placed, it is recommended that you register favorite levels to
the images. You can register favorite levels on a photo-by-photo basis, or to multiple photos at once.
Registering Favorite Levels