Brother MFC 6890CDW - Manual (Page 27)

Chapter 2
18
If you have problems printing on
envelopes with the flap on the short edge,
try the following:
2
a
Open the envelope flap.
b
Make sure the flap is to the back edge of
the envelope when printing.
c
Adjust the size and margin in your
application.
Removing small printouts
from the machine
2
When the machine ejects small paper onto
the output paper tray you may not be able to
reach it. Make sure printing has finished, and
then pull the tray completely out of the
machine.