Epson EPL-N7000 - Manual (Page 313)

302 Troubleshooting
2. Replace the rear cover.
Check the current status of the printer on the LCD panel of the
printer’s control panel, or from the EPSON Status Monitor 3
utility.
Paper jam-Duplex Unit
If a paper jam occurs in the optional Duplex Unit, follow these
steps to clear the jammed paper: