Brother HL-5440D - Manual (Page 21)

15
Printing Methods
1
Printing on thick paper, labels and envelopes from the MP tray
1
Before loading, press the corners and sides of the envelopes to make them as flat as possible.
a
Open the back cover (face-up output tray).
b
Open the MP tray and lower it gently.
c Pull out the MP tray support (1) and unfold the flap (2).
1
2