Brother MFC-8640D - Manual (Page 163)

7 - 48 USING YOUR MACHINE WITH A MACINTOSH ®
Apply
This uploads the data to the MFC, but does not exit the remote setup
application.
Print
This command prints the selected items on the MFC. You can not
print the data until it is uploaded to the MFC. Click Apply to upload
the new data to the MFC and click Print.
Export
This command saves the current configuration settings to a file.
Import
This command reads the settings from a file.