Samsung ML-1651N - Manual (Page 48)

Note: Make sure that you have not
loaded too much print media. The stack
should be under the stack height limit
mark. The print media buckles if you load
a stack that is too deep, or push it in too
far.
4.9 P
RINT
M
EDIA
Loading Paper
4 Place paper with the print side face
up, and against the left edge of the
tray.
5 Slide the paper width guide to the left
flush against the stack of print material
without bending.
Stack height limit mark
6 After printing, push the extender back
to its place and close the Multi-Purpose
Tray.