Chapter 2 Setup Communication condition of serial interface Transmission speed • 2400 bps • 4800 bps • 9600 bps • 19200 bps • 38400 bps (initial setting) • 57600 bps • 115200 bps [bps: bits per second] Parity • None (initial setting) • Even 2 • Odd Data bit • 7 bits • 8 bits (initial setting) If set to 7 bits, printing from a printer driver is not possible. Flow control • DTR/DSR (initial setting) • XON/XOFF Communication condition of USB interface • USB printer class (initial setting) • USB vendor-defined class 49