Follow the procedure below to lock the menus on the machine's control panel.
Start SmartDeviceMonitor for Admin.
On the [Group] menu, point to [Search Device], and then click [IPv4], [IPX/SPX] or [IPv4 SNMPv3].
A list of machines using the selected protocol appears.
Select the protocol of the machine whose configuration you want to change.
If you are using IPv4 SNMPv3, enter the user authentication.
Select a machine.
On the [Tools] menu, point to [Device Settings], and then click [System].
A Web browser opens and the window for entering the login user name and password for the Web Image Monitor administrator appears.
Enter the login user name and password, and then click [Login].
For details about the user name and password, consult your network administrator.
The [System] page of Web Image Monitor appears.
On the [Protect Printer Display Panel], select [Level 1] or [Level 2].
Quit Web Image Monitor.
Quit SmartDeviceMonitor for Admin.
For details about login user names and passwords, see Security Reference, which is the administrator's manual.
For details about Web Image Monitor, see "Using Web Image Monitor".