User's Guide
Page 12
Note: You can connect cables to the correct interface when it receives data. 12 Setting Up the Printer the printer switches automatically to multiple interfaces simultaneously; Connect firmly and fasten. USB Connect firmly and route the cable through the USB cable holder. RS-232C (Serial) Connect firmly. IEEE1284 (Parallel) Connect firmly and fasten the screw.
Note: You can connect cables to the correct interface when it receives data. 12 Setting Up the Printer the printer switches automatically to multiple interfaces simultaneously; Connect firmly and fasten. USB Connect firmly and route the cable through the USB cable holder. RS-232C (Serial) Connect firmly. IEEE1284 (Parallel) Connect firmly and fasten the screw.