This may cause fire, electric shock, or damage to the machine. Important Do not touch the metal casing. Do not use the USB cable longer than around 10 feet / 3 meters to connect any PictBridge compliant device to the machine since it may affect the operation of other peripheral devices. (11) Infrared Port Use this port to print from a mobile phone with wireless infrared communication. See Printing Photos from a Wireless Communication Device. (12) Scanning Unit Detection button Locks the Scanning Unit (Cover) while the Document Cover is open. This button is pressed down when the Document Cover is closed, so that you can open the Scanning Unit (Cover). (You do not need to touch this button. ) For information on the Scanning Unit (Cover), see Scanning Unit (Cover). Rear View Main Components Page 6 of 1063 pages (13) Wired LAN Connector Plug in the LAN cable to connect the machine to a LAN. Important Do not touch the metal casing. Note Remove the LAN connector cap before connecting the LAN cable. (14) USB Port Plug in the USB cable to connect the machine with a computer. Important Do not touch the metal casing. Do not plug in or unplug the USB cable while the machine is printing or scanning originals with the computer. (15) Rear Cover Detach to remove jammed paper. (16) Power Cord Connector Plug in the supplied power cord. Inside View (17) Ink lamps Light or flash red to indicate the ink tank status. See Checking the Ink Status. Main Components (18) Print Head Holder Install the Print Head. Page 7 of 1063 pages (19) Print Head Lock Lever Locks the Print Head into place. Important Do not raise this lever after installing the Print Head. (20) Scanning Unit (Cover) Scans originals. Open it to replace ink tanks, to check ink lamps, or to remove jammed paper inside the machine...