Brother HL-1660e Series User Manual page 159

USER'S GUIDE
2–16
Fig. 2-20 Placing Paper on the Multi-purpose Tray
4. Lift up and slide the paper width guide to match the paper width, so
that it lightly touches the right side of the paper stack.
!
Caution
Make sure that the neatly stacked paper is correctly seated on the
multi-purpose tray, otherwise paper may not be fed correctly,
resulting in a skewed printout or a paper jam.
When printing, the inside tray automatically rises to feed paper into
the printer.