Epson Stylus 1500 Reference Manual page 23

8. Load the stack of paper, printable side down, so that the
right edge of the stack is against the right side of the sheet
feeder. Next, slide the left edge guide against the left edge
of the paper.
Note:
Do not load more than 30 sheets of oversized paper into the sheet
feeder. Also, do not load paper more than half way to the arrow
mark, which is located on the inside surface of the edge guide.
Otherwise, a paper jam may occur.
9. Extend the legs under both sides of the output tray. Then
lower the tray to the printing position.
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Paper Handling