Brother HL-8050N - Manual (Page 54)

USABLE PAPER TYPES AND PRINTING METHOD 2 - 21
Follow the steps below to load transparencies into any of the paper trays.
(Paper tray 1 is shown in the illustrations.)
1
Place the paper tray on a flat surface.
2
Remove the lid of the tray.
3
If the base plate of the paper tray is raised, push it down.
4
Squeeze the length guide and slide it to fit the paper size.