Brother MFC-J615W Basic User's Manual page 19

Note
When you are using Legal size paper,
press and hold the universal guide release
button (1) as you slide out the front of the
paper tray.
d
Fan the stack of paper well to avoid
paper jams and misfeeds.
IMPORTANT
Always make sure that the paper is not
curled or wrinkled.
e
Gently put the paper into the paper tray
print side down and top edge in first.
Check that the paper is flat in the tray.
1
Be careful that you do not push the paper
in too far; it may lift at the back of the tray
and cause feed problems.
f
Gently adjust the paper side guides (1)
to fit the paper using both hands.
Make sure the paper side guides touch
the sides of the paper.
Loading paper
IMPORTANT
1
2
11