Each individual user can customize the screen with settings that let them specify their display language or arrange the screen buttons based their most frequently used functions.

For more information, see the following:
Configuring Accessibility Settings (Personal Settings)
Registering Buttons on the Quick Menu
Customizing the Basic Features Screen

Each individual user can register destinations in their own address list, and create their own folder for storing scanned documents.

For more information, see the following:
Registering Destinations in the Address Book
Configuring Personal Folders