Always Send Notice for RX Errors

To "Settings/Registration Table."
You can set to inform the sender that the e-mail message or I-fax was not received successfully.
If you are using the imageRUNNER ADVANCE C2020, depending on the region, the optional product is required to use this function. For information on the optional product, see "Optional Products Required for Each Function."
1.
Press (Settings/Registration).
2.
Press [Function Settings] → [Receive/Forward] → [Common Settings].
3.
Press [Always Send Notice for RX Errors].
4.
Press [On] → [OK].
Select [Off] if you do not want to inform the sender of the details of the error if an error occurs.