Brother HL-5440D User Manual page 21

Printing Methods
Printing on thick paper, labels and envelopes from the MP tray
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).
2
1
1
1
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