Epson Stylus Pro 4000 Reference Manual page 261

9. Extend the paper tray and paper tray cover according to the
paper size. If you do not extend them, the printout may fall.
Note:
Make sure the roll paper support is not raised.
10. Press the Paper Source
Now the printer is ready to print. While the printer is printing, do
not open the top cover. If the top cover is opened while printing,
the printer stops printing, and then restarts printing when the top
cover is closed. Stopping and restarting printing may reduce the
print quality.
Loading into the rear manual feed slot
Note:
❏ You can load one sheet at a time into the rear feed slot.
❏ Load the paper with the printable surface up.
❏ Paper with a thickness between 0.08 and 1.6 mm can be set in the
landscape position. However, recycled or plain paper and A4, Letter
size, or 8 × 10 in. paper should always be set in the portrait position,
regardless of thickness.
button to select Sheet
Paper Handling
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