I cannot find some options in the Print dialog box (macOS 11 or later)
Add your Brother machine with AirPrint (macOS)
Print both sides of paper or a booklet automatically
I cannot find some options in the Print dialog box. (For OS X v10.7 to 10.15)
Print using only the black ink cartridge when the Color cartridges have run out.
Print on Both Sides of the Paper Automatically (Automatic 2-sided Printing) (Macintosh)