Epson AcuLaser C4000 Owner's Manual page 230

9. Fasten the front of the Large Capacity Paper Unit to the printer
with two of the provided screws.
10. Remove the cover on the back of the standard lower cassette,
and secure the back of the unit to the printer with the
remaining two screws. Then reattach the cover.
11. Reinsert the standard lower cassette into the printer.
12. Reconnect all interface cables and the power cord.
13. Plug the printer's power cord into an electrical outlet.
14. Turn on the printer.
220
Using Options