Brother HL-1650/1670N - Manual (Page 208)

APPENDIX
Appendix–7
We recommend the following print methods (output tray) for each paper
media type:
Paper output Notes Media type
Face down Face up
Plain paper
✔ ✔
60 g/m 2 to 105 g/m 2
(16 to 28 lbs.)
Thick paper
✔
105 g/m 2 to 161 g/m 2
(28 to 43 lbs.)
Recycled paper
✔ ✔
Transparencies
✔ OHP films
Label
✔
Envelopes
✔
Card Stock
✔
You can select the priority of the paper source in the Paper Menu on the
Control Panel.
For more information about the paper settings, see Chapter 3.