Brother HL-4040CDN - Manual (Page 33)

Printing Methods
24
2
Automatic duplex printing (HL-4040CDN/HL-4050CDN/HL-4070CDW only)
2
If you are using the Macintosh
®
Printer Driver, see Duplex Printing on page 57.
a
Put paper in the paper tray or MP tray.
b
For the Windows
®
printer driver
1 Open the Properties dialog box in the printer driver.
2 From the General tab, click the Printing Preferences icon.
3 From the Advanced tab, click the Duplex icon.
4 Make sure that Use Duplex Unit has been chosen.
5 Click OK. The printer will print on both sides of the paper automatically.
For the BR-Script printer driver
1 Open the Properties dialog box in the printer driver.
2 From the General tab, click the Printing Preferences icon.
3 From the Layout tab, choose Orientation, Print on Both Sides (Duplex) and Page Order.