User's Guide Printer Basics Control Panel Buttons and Lights 14 A AC inlet Connects the power cord. B USB port Connects a USB cable. C LINE port Connects a phone line. D EXT. port Connects external phone devices. A Turns the printer on or off. Unplug the power cord when the power light is off. B Displays the home screen. C Enter the last dialed number or enter a pause when entering a fax number. D Stops the current operation. E - Displays menus and messages.