Brother DCP-8155DN - Manual (Page 164)

Printing and Faxing
156
8
Sending a fax (For MFC models)
8
You can send a fax directly from a Macintosh application.
Note
Fax documents will be sent in Black and White only.
a
Create a document in a Macintosh application.
b
From an application such as TextEdit, click File, then Print.
 (Mac OS X 10.5.8 to 10.6.x)
For more page setup options, click the disclosure triangle beside the Printer pop-up menu.