Brother HL-5150D - Manual (Page 17)

ABOUT THIS PRINTER 1 - 10
4
Put paper in the tray. Check that the paper is flat in the tray at all four corners.
Figure 1-7
5
Put the paper tray firmly back in the printer. Check that it is inserted fully into the printer.
Do not put more than 250 sheets of paper (80 g/m 2 or 21 lb) in the tray, or paper jams may occur.
Check that paper is below the maximum paper mark ( ▼ ).
Figure 1-8
When you use pre-printed paper, put the side that is going to be printed on (blank side) face down,
with the top of the paper at the front of the tray.