To confirm that the Large Capacity Paper Unit is installed
correctly, print a status sheet. If lower cassettes 3, 4, and 5 are not
listed on the status sheet, make sure the cable connecting the
Large Capacity Paper Unit to the printer is connected securely.
This unit allows you to print on both sides of paper automatically.
To install the unit, follow the instructions below.
Installing the Duplex Unit
1. Turn off the printer.
2. Unplug the printer’s power cord from the electrical outlet.
3. Remove all interface cables from the interface connectors.
4. Unpack the Duplex Unit and remove all protective materials.
Open the inner tray and remove the protective insert; otherwise,
the printer will not work properly.