Brother MFC-8820DN - Manual (Page 168)

USING THE MFC AS A PRINTER 11 - 11
Printing on envelopes
To print on envelopes use manual feed tray or multi-purpose tray.
1
Select the Paper Size, Media Type, Paper Source, and other
settings in the printer driver.
Media Type: Envelope, Env.thin or Env.thick
For MFC-8420:
2
Open the back output tray.
3
Open the manual feed tray. Slide the paper guides to fit the
envelope size.
■
The MFC automatically turns on the Manual Feed mode
when you put paper in the manual feed tray.
■
All sides should be properly folded without any wrinkles or
creases.
If envelopes are creased after they have been printed:
At the back of the MFC, open the back output tray and push
down the blue tabs at the left and right hand sides (as shown in
the figure on the next page). When you have finished printing
your envelopes, close the back output tray to reset the two blue
tabs back to their original position.