Brother HL-3400CN - Manual (Page 46)

USER’S GUIDE
2–16
✒ Note
•
Adjust the tray to the correct paper size indication arrow. If you do
not adjust it correctly, the printer may detect the wrong size of paper.
•
Do not load more than 250 sheets of paper (90 g/m 2 or 24 lbs.) in the
cassette, or paper jams may occur. Paper (90 g/m 2 or 24 lbs.) should
NOT be loaded above the top line on the guide.
Fig. 2-23 Paper Lines
4. Install the Media Cassette into the printer.