Epson Stylus Pro 5500 Printer Manual page 26

Note
Make sure the paper is
loaded printable side
down and the stack lies
flat on the bottom of
the tray.
5. Slide both edge guides out as far as they will go.
6. Fan a stack of paper and then even the edges.
7. Load the stack of paper with the printable surface down and the right
edge of the paper resting against the right side of the paper tray.
Don't load paper above the arrow mark inside the left edge guide.
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Setting Up the Printer | 1-9