Brother MFC-3340CN Service Manual page 23

Paper weight, thickness and capacity
* Up to 50 sheets for Legal size paper (20 lb.).
* Up to 100 sheets of 20 lb.
Paper capacity of the output paper tray
Output Paper Tray Up to 50 sheets of 20 lb. (Letter)
n Transparencies or glossy paper must be picked up from the
output paper tray one page at a time to avoid smudging.
n Legal paper cannot be stacked on the output paper tray.
2-4
Confidential