Epson ColorWorks C6500Au Technical Reference Manual page 55

5
Hold the spindle with both hands, and set it in the printer.
Install the spindle so that both ends of the spindle fit into the holders inside the printer.
6
Slide the movable edge guide to the right side.
Squeeze the blue lever to move the edge guide.
7
Pull the paper along the left edge guide.
Chapter2 Setup
55