User's Guide (HTML)
Page 12
... the printer to display an error code. Press and hold the Continue button as those printed on transparencies or cardstock. Turn off . 11 Network port (1720dn only) 12 On/Off switch 13 Power cord connector 14 Rear exit Slot into the network port. The other end of the lights come on... until all of the Ethernet cable plugs into which you open to allow print jobs to exit the printer flat, such as you use to reset the printer.
... the printer to display an error code. Press and hold the Continue button as those printed on transparencies or cardstock. Turn off . 11 Network port (1720dn only) 12 On/Off switch 13 Power cord connector 14 Rear exit Slot into the network port. The other end of the lights come on... until all of the Ethernet cable plugs into which you open to allow print jobs to exit the printer flat, such as you use to reset the printer.