Canon DR-F120 9017B003 Fiche De Données

If the taskbar icon appears as 

, the scanner is not properly 

connected to the computer. Check the status of the power and USB 
cable.

Press and hold the power button until the indicator goes out.

 After turning the scanner off, wait at least 10 seconds before 

turning it back on.

 If you will not be using the scanner for an extended period, you 

should disconnect the power cord from the AC outlet for safety.

The scanner's auto power off setting is enabled by default, and the 
scanner will turn off automatically if it is not operated for 4 hours.

For details on how to disable this setting, see "Auto Power Off 
Setting" on p.67.