Brother MFC-8440 Software User's Manual page 21

4
Using both hands put the envelope in the manual feed tray until
the front edge of the envelope touches the paper feed roller and
the machine will grip the envelope.
■
Make sure the envelope is straight as you insert it in the
manual feed tray. If it is not, the envelope may not be fed
properly, resulting in a skewed printout or a jam.
■
Do not put more than one envelope in the manual feed tray
at any one time, or it may cause a jam.
■
Put the envelope in the manual feed tray, making sure that
the side to be printed on is face up in the tray.
5
After the printed envelope comes out of the machine, the
machine will wait until you put in the next envelope. Repeat Step
4 for each envelope you want to print.
6
Send the print data to the machine.
7
After you finish the print job, close the back output tray.
USING THE MACHINE AS A PRINTER 1 - 14