Epson EPL-N3000 Reference Manual page 211

6. To confirm that the option is installed correctly, print a Status
Sheet. See "Printing a Status Sheet" on page 260.
See "Printing with the Duplex Unit" on page 54 for information
about duplex printing.
Note:
If you are using Windows, and EPSON Status Monitor 3 is not
installed, you have to make settings manually in the printer driver. Click
the Update the Printer Option Information Manually button on the
Optional Settings menu, then click Settings. Then select the Duplex
Print Unit check box in the Optional Settings dialog box and click OK.
Removing the Duplex Unit
Follow these steps to remove the optional Duplex Unit.
1. Turn the printer off and unplug the power cord and interface
cable.
2. Loosen the two screws on the lower sides of the Duplex Unit.
198
Installing Options