Brother HL 4570CDWT - Manual (Page 22)

Printing Methods
16
1
d
Put up to 3 envelopes or up to 25 sheets of thick paper (163 g/m
2
/ 43 lb paper) in the MP tray. If you
add more envelopes or paper it may cause a jam. Make sure:
 The top of envelope edge is positioned between the arrows (1).
 The side to be printed on must be face up.
e Open the back cover (face-up output tray).
f
Pull down the two gray levers, one on the left-hand side and one on the right-hand side, to the envelope
position as shown in the illustration below.
g Close the back cover.
1