You can disable the Document Server function. Disabling this function makes it impossible to store files or access those previously stored in Document Server.
Log in as the machine administrator from the control panel.
Press [System Settings].
Press [Administrator Tools].
Press [Next] twice.
Press [Document Server Function].
Press [Off].
Press [OK].
Press [User Tools] () on the top right of the screen.
Press [Restart].
The machine restarts.
Even if you set [Document Server Function] to [Off], previously stored files will remain.