Epson EMP-5500 Owner's Manual page 71

Next, select Yes and then press either multi-purpose
button(remote) or the <Enter> button(operation panel) to
reset all menu items.
If you change your mind, select No and then press either
multi-purpose button(remote) or the <Enter>
button(operation panel) to clear the confirmation screen
without changing any settings.
Changing a Menu Setting 49