Setting up the printer2-12Selecting a USB Cable3 When the USB interface is used to connect to the host computer, the parallel interfaceand the serial interface (factory add-on option) cannot be connected simultaneously.3 The USB interface does not guarantee all connections of USB-supported devices.Connecting the Interface CableTo connect the interface cable:1. Turn off both the printer and the computer.2. Pull the shutter on the left side of the printer upward as far as it will go.Opening the shutter3. Attach the interface cable to the connector. Do not connect more than one inter-face cable type to the printer at the same time.Connecting the interface cableShutterCentronics parallel Centronics parallel + USBCentronics parallel + RS-232C