User's Guide Printer Basics Control Panel You can change the angle of the control panel. 15 E External interface USB port Connects an external storage device or a PictBridge capable device. A AC inlet Connects the power cord. B Rear cover Remove when removing jammed paper. C Vent Releases heat from the inside of the printer. Vents are on the bottom right, bottom left, and on the right-hand side. Do not cover the vents when placing the printer. D USB port Connects a USB cable.