Infrared AdapterC-18 v DocuPrint C20/NC20 User GuideInfrared AdapterInstalling theInfrared AdapterTo install the Infrared Adapter:1 Unplug the printer power cord.2 Locate the infrared port on the back of your printer. Theinfrared port is attached to the Tri-Port interface optioncard installed in your printer.3 Plug the adapter cable into the infrared port. Pull thecover away from the printer.4 Reconnect the power cord to the printer and a properlygrounded electrical outlet. If any light on the infraredadapter comes on when the printer is plugged in, theadapter is connected to the port correctly.