Brother HL 1240 - B/W Laser Printer Service Manual page 234

3.
Load paper into the paper cassette. Make sure that the paper is flat in the cassette at
all four corners.
Fig. 1-10 Load the paper





Note
2
Do not load more than 250 sheets of paper (80 g/m ) in the cassette, or paper jams
may occur. Paper should be loaded up to the lines on the sliding guide.
Fig. 1-11 Paper Lines
1-16