Canon MF6180dw Manual page 361

3.
Specify the desired settings in the fax driver screen -> click [OK].
For details about the fax driver settings, view the online help. (See
NOTE
When faxing, you can change the settings you configured beforehand. To change the settings, configure them from
the application.
The display may differ according to the operating system and system environment.
"Viewing the Online Help (PC Fax).")