Brother HL-1800 series - Manual (Page 35)

CHAPTER 1 ABOUT THIS PRINTER
1-25
✒ ✒ ✒ ✒ Note
If DL size double-flap envelopes were creased after they have been printed,
put in new DL size double-flap envelopes sideways, and print again.
✒ ✒ ✒ ✒ Note
When you place paper in the Multi-purpose Tray, note the following:
• If you will be printing on paper that weighs more than 135 g/m
2 (36 lbs),
use the Face Up Output Tray.
• Insert the leading edge of the paper first and push it gently into the tray.
• The top of the paper stack must be under the guides that are on both
sides of the tray. The maximum thickness is 11 mm (or 0.43 inch).