Press the [User Tools/Counter] key.
Press [System Settings].
Press [File Transfer].
Press [Next].
Press [Program / Change / Delete E-mail Message].
Press [Delete].
Select the e-mail message to delete.
The confirmation message about deleting appears.
Press [Yes].
Press [Exit].
Press the [User Tools/Counter] key.
For details on how to access System Settings, see Accessing User Tools.