The PC-FAX software can only send Black & White fax documents.
If your PC is protected by a firewall and is unable to use PC-FAX send, you may need to configure the firewall settings to allow communication through port numbers 54926 and 137. For more information, see Firewall settings (For Network users).
You can access User Information from the FAX Sending dialog box by clicking the icon.
Click the Start button, All Programs, Brother, MFC-XXXX (where XXXX is your model name), PC-FAX Sending, then PC-FAX Setup.
The Brother PC-FAX Setup dialog box appears:
Enter this information to create the fax header and cover page.
Click OK to save the User Information.