Canon MF6180dw Manual page 288

Select <Off> or <On> using [
Select <Apply> when <Apply> appears on the screen after you have specified the setting and press [OK].
6
Press [ ] (Menu) to close the menu screen.
The procedure is complete.
Options
Configure the following options to send a fax.
Basic Settings
TX Function
Settings
] or [ ], and press [OK].
Fax Settings
"Register Unit Telephone Number"
"Select Line Type"
"Off-Hook Alarm"
"Change Defaults"
"Register Unit Name (Fax)"
"ECM TX"
"Pause Time"
"Auto Redial"
"Sender ID"
"Check Dial Tone Before Sending"