Epson CX11NF - Manual (Page 10)

10
Handling Paper and Originals
3. Align the edges of your paper stack, then load it in the center of the cassette with
the short edge first and the printable surface facing up.
Note:
When loading paper, do not exceed the maximum stack height marker inside the
paper guide.
4. Pinch the knob in the front as you slide the paper guide inward against the paper
stack for a snug fit.