Press [Send Settings].
Press [] twice, and then press [Subject].
Enter the subject.
You can enter any text string.
Press [Entry Method] and use the software keyboard to enter a text string.
For details about entering the text, see "Entering Text", Getting Started.
Press [OK] twice.
If you do not specify the e-mail subject, the settings specified in [Default Email Subject] on the [Send Settings] under [Scanner Features] will be applied. For details, see Send Settings.