Brother DCP-8155DN - Manual (Page 122)

Brother PC-FAX Software (For MFC models)
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6
Setting up a group for broadcasting
6
You can create a group to send the same PC-FAX to several recipients at one time.
a In the Address Book dialog box, click the icon to create a Group.
The Address Book Group Setup dialog box appears:
b Enter the name of the new group in the Group Name field.
c In the Available Names box, choose each member to be included in the group, and then click Add >>.
Members added to the group appear in the Group Members box.
d After all the members you want have been added, click OK.
Note
You can have up to 50 members in a group.