Brother HL-5050 - Manual (Page 126)

TROUBLESHOOTING 6 - 15
Envelope creases
■ Open the back output tray and push down the blue tabs at the left and
right hand sides (as shown in the figure below). When you have
finished printing your envelopes, close the back output tray to reset the
two blue tabs back to their original position. See page 1-31.
Examples of poor print
quality Recommendation
ABCDEFG
EFGHIJKLMN