After you log in, the printer automatically logs you out if you do not use the control panel within a given time. This feature is called "Auto Logout". Specify how long the printer is to wait before performing Auto Logout.
Log in as the machine administrator from Web Image Monitor.
Point to [Device Management], and then click [Configuration].
Click [Timer] under "Device Settings".
Select [On] in "Auto Logout Timer".
If you do not want to specify "Auto Logout Timer", select [Off].
Enter "10" to "999" (seconds), and then click [OK].
Log out.