Top Page > Basic Operations > Scan > Sending Scanned Documents to a Client Computer > Specifying the E-mail Sender > Using a registration number to specify a sender name
Press [Sender Name].
![Operation panel screen illustration](../image/tau3gbscn005.gif)
Press [Registration No.].
Using the number keys, enter the five-digit registration number assigned to the sender, and then press the [
] key.
Press [OK] twice.