Epson EPL-5700 Reference Manual page 24

4. Raise the extension output tray.
Note:
If you want to print on paper heavier than 90g/m2 (24 lb) or on
special paper (such as envelopes, labels, or transparencies), see
"Printing on special media" on page 1-13.
When you feed paper manually, be sure to change the Paper
Source setting to the MP tray before printing from the manual
feed slot. Insert a single sheet with the printable side up, as far as it
will go into the manual feed slot above the paper-tray cover. Adjust
the paper guides to match the paper size you are using.
1-12
Using Your Printer