Brother DCP-9055CDN - Manual (Page 23)

Loading paper
15
2
c
Lift up the support flap to prevent
envelopes and thick sheets of paper
from sliding off the face down output
tray. If the support flap is closed you
should remove each envelope as soon
as it comes out of the machine.
d
Put up to 3 envelopes or up to 25 sheets
of thick paper (163 gsm) 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.
1