Check that a LAN cable connected to the network is connected to the LAN port of this machine. For details on the cable connection port, refer to Here.
Ensure that this machine has an IP address assigned to it. Tap [Utility] - [Device Information], and check that an IP address is displayed.
If no IP address is displayed, you need to set up the network. For details, refer to Here.
Enable the E-mail transmission function. Also, register the E-mail server address and administrator's E-mail address required for Scan to E-mail.
The registration procedure is explained using Web Connection. For details, refer to Here.