Canon Color imageCLASS MF9280Cdn - Manual (Page 305)

Fax
5-84
Checking the Dial Tone before Sending
6
Use [ ▼], [▲] or (Scroll Wheel) to select
, then press
[OK].
7
Use [ ▼], [▲] or (Scroll Wheel) to select
or , then press [OK].
8
Press (Main Menu) to return to the
Main Menu screen.