Brother MFC-5895CW - Manual (Page 176)

Printing and Faxing
168
9
For Mac OS X 10.3.x to 10.4.x
9
a Select Layout.
b
Choose Long-edged binding or Short-edged binding in Two-Sided.
For Mac OS X 10.5.x
9
a Check Two-Sided.
b Select Layout.
c
Choose Long-edge binding or Short-edge binding.