Fax TX Line Auto Select Adjustment
You can set whether to automatically select the fax line instead of using the line registered to the recipient, when sending a fax to a destination obtained from a remote address book.
If you are using the imageRUNNER ADVANCE C3320, optional products are required to use this function. For information on the optional products required to use this function, see "Optional Products Required for Each Function."
1.
Press 
(Settings/Registration).
(Settings/Registration).2.
Press [Set Destination] → [Acquire Remote Address Book] → [Fax TX Line Auto Select Adjustment].
3.
Press [On] → [OK].
Select [Off] if you do not want to automatically select adjustment for Fax TX Line.