Brother MFC 8220 - Manual (Page 170)

8 - 19 USING YOUR MFC WITH A MACINTOSH ®
The vCard used must contain a work fax or home fax number.
When you choose work fax or home fax from the Stored Fax
Numbers pull-down list, only the fax number stored in the
Mac OS
®
X Address Book for the selected category will be
used. If the fax number is stored in only one of the Mac OS ® X
Address Book categories, the number will be retrieved no matter
which category you have selected (work or home).