ACCESSORIES > 199DUPLEX UNITInstallation1. Switch off the printer and disconnect the power cable.2. Open the front cover (1).3. Insert the duplex unit (2) into the printer engaging the sides ofthe duplex unit in the slots in the printer.4.Gently slide the duplex unit (2) fully into the printer.5. Close the front cover (1).6. Connect the power cable and switch the printer on.The printer will automatically configure to include this option.However, you can manually set it as follows:1. Press the Menu button until PRINT MENU is displayed, thenpress the Select button.2. Press the Item button until DUPLEX is displayed.3. Press the Value button until ON is displayed then press theSelect button. An asterisk (*) appears to show that duplex hasbeen set to on.4. Press the ONLINE button to turn the printer back on line.