BASE SCREEN OF DOCUMENT FILING MODE
               
               
                  - Use to save originals to be shared
                     among users.
 
                  - The folder for the registered user.
 
                  - Displayed during user authentication. Tap this key to open
                     the logged-in user's personal screen.
 
                  - Use to save a file temporarily.
 
                  - Use to search for a file in a folder.
 
                  - Displays the functions available in document filing mode.
 
                  - Switch the custom folder order between ascending and
                     descending.
 
                  - Reset all settings.
 
                  - Displays the usage status of the machine's built-in storage.
                     Tap the key to display details.