Canon MF211 Manual page 234

0 (The machine remains online.)
1 to 5 to 60 (min.)
<Timer Settings>
Auto Shutdown Time
Set a timer to automatically shut down the machine after the specified period of idle time has elapsed since the machine entered the
sleep mode. Setting Auto Shutdown Time
0 (Auto Shutdown is disabled.)
1 to 4 to 8 (hr.)
<Auto Offline Time> Set the time period