INSTALLATION AND RELOCATION PROCEDURE > 21INSTALLING THE DUPLEX UNITYou can install a duplex unit option on this printer. If a face up tray hasbeen fitted, remove it by reversing the steps in “Installing the Face Up(Rear) Tray” on page 14 before installing the duplex unit and refit it whenthe duplex unit has been installed.1. Remove the duplex unit cover by pushing the two tabs as shownin the diagram (1).Next, remove the connector cap at the top right of the back of theprinter (2).2. Insert the right and left tabs at the bottom of the duplex unit intothe holes at the back of the printer, and then align the top part ofthe duplex unit with the printer.Ensure that the connector of the duplex unit is connected to theconnector of the printer.