When Lock Setting is enabled, you can use any of the following methods to log in from the scanner's control panel.
Tap 
at the top right of the screen.
When the Select User screen is displayed, select Administrator.
Enter the password to log in.
A login complete message is displayed, and then the Home screen on the control panel is displayed.
To log out, tap 
at the top right of the screen or press the 
button.