When Using the Scanner Application
About how to use the application's screen, see "[Scanner] Screen".
When Using the Scanner (Classic) Application
Press [Subject].
Enter the subject.
For details about entering the text, see "Entering Text (When Using the Classic Applications)", Getting Started.
Press [OK].
If you do not specify the e-mail subject, the settings specified in [Default Email Subject] on the [Send Settings] tab under [Scanner Features] will be applied. For details, see Send Settings.