Epson Pro 5000 Reference Manual page 57

Switching paper trays between the printer and the optional
paper cassette
If you install the optional lower paper tray in the printer's
standard paper tray slot, replace the optional paper tray cover
with the standard paper tray cover, which has a right edge
guide. Also, if you install the standard paper tray in the
optional 250 Sheet Lower Paper Cassette, replace the paper tray
cover with the optional paper tray cover.
standard paper tray
Follow the instructions below to switch paper tray covers.
1. Remove the paper trays from the printer and optional paper
cassette.
2. Open the paper tray cover.
250 Sheet Paper Tray
Paper Handling
2
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