Brother MFC-J6510DW User Manual page 51

Chapter 2
b
Put envelopes or postcards in the paper
tray with the address side down and the
leading edge in first as shown in the
illustration. Using both hands, gently
press and slide the paper length
guide (1) and paper side guides (2) to fit
the size of the envelopes or postcards.
2
1
20
If you have problems when printing on
envelopes, try the following suggestions:
a
Open the envelope flap.
b
Make sure the open flap is to the back
edge of the envelope when printing.
c
Adjust the size and margin in your
application.
2