Brother HL Series User Manual page 15

Printing Methods
c
Put paper in the tray and make sure:
The paper is below the maximum paper mark (b b b).

Over filling the paper tray will cause paper jams.
 The side to be printed on must be face down.
 The paper guides touch the sides of the paper so it will feed properly.
d
Put the paper tray firmly back in the machine. Make sure that it is completely inserted into the machine.
e
Lift up the support flap 1 to prevent paper from sliding off the face-down output tray, or remove each page
as soon as it comes out of the machine.
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