Lexmark Optra Optra T User Manual page 45

.
Squeeze
here
Paper capacity
mark
Loading Print Materials
4
Place the paper into the paper tray with the recommended
print side face down for single-sided printing and face up for
double-sided printing. Do not fill paper above the paper
capacity mark (fill line).
5
Squeeze the width guide lever and slide the width guide to the
left until it lightly rests against the edge of the paper stack.
Width
guide
6
Adjust the knob to show the size of the paper currently
loaded.
N
OTE
7
Reinstall the tray.
Knob
: This setting serves as a visual reminder only; it
has no effect on the operation of the printer.
45