Canon PIXMA MG5320 Menu Manual page 17

The function icon is deleted from the Shortcut Menu.
Note
Alternatively, right-click the function icon you want to delete, then select Delete
from Shortcut Menu from the displayed menu to delete it.
You cannot delete
Rearranging the Function Icons
1. Drag a function icon in the Shortcut Menu and drop it to the target place.
The function icon is moved to the dropped place.
(Open Main Menu).
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