Epson PriorityFax 2000 Owner's Manual page 19

Holding the output tray base level, press the tabs extending from
the output tray base into the notches on the front of the fax
machine, as shown in the following illustration.
If you have chosen the base only installation, skip the next
two steps.
Place the output tray in front of you and insert each of the
two wire paper holders into the holes at the edge of the
output tray, as shown below.
Setting Up the PriorityFax
1-7