Brother HL 3070CW - Manual (Page 73)

Driver and Software
63
2
Manual Duplex Printing
2
Select Paper Handling.
For Mac OS X 10.3.9 and 10.4.x
Choose Odd numbered pages. Turn the paper over and reload it in the tray, and then choose
Even numbered pages and print.
For Mac OS X 10.5.x
Choose Odd only and print. Turn the paper over and reload it in the tray, and then choose Even only and
print.