7.Lift the printer up vertically and lower it onto the optional paper feeders. Align the five posts on the first feeder with the corresponding holes on the bottom of the printer.
Be sure to lower the printer gently, as lowering it too quickly may damage the printer or feeders.
8.Insert the three supplied screws into the holes inside of the printer as shown to secure the feeders to the printer.
9.Load paper into the cassettes, then insert all three cassettes into the printer.
Reconnect the AC power cord to the printer and outlet, then restart the printer.