Brother MFC-8440 User Manual page 57

You can place up to 3 envelopes or up to 50 sheets of 80 g/m
or 20 lb paper in the MP tray.
4
While pressing the paper-guide release lever, slide the paper
guide to fit the paper size.
When you put paper in the MP tray, please remember the
following:
■
The side to be printed on must be face up.
■
During printing, the inside tray rises to feed paper into the
MFC.
■
Put the leading edge (top of the paper) in first and push it
gently into the tray.
2 - 9 PAPER
2