iDP3420/3421/3423 User’sMa nual
23 CITIZEN
2) DIP Switch 2
No. Function ON OFF FactorySetting
DS2-1 Bitlength 8 bits 7 bits ON
DS2-2 Parity No Yes ON
DS2-3 Odd/Even O dd Even ON
DS2-4 Communication mode DTR/DSR XON/XOFF ON
DS2-5 Baud rate ON
DS2-6 ″ON
DS2-7 ″
Seethetablebelow OFF
DS2-8 Unused −− OFF
Baudra te
Baudrate DS2-5 DS2-6 DS2-7
150 OFF OFF OFF
300 OFF OFF ON
600 OFF ON OFF
1200 OFF ON ON
2400 ON OFF OFF
4800 ON OFF ON
9600 ON ON OFF
19200 ON ON ON
∗TheD IP switch 2 is us ed only for the serial interface.
(Note) Setting of the paper used simply changes the drive pulse width to the printing head; it does not
mean that 2-ply paper is not available for the 1-ply setting. The same applies to when 1-ply
paper is used for the2 -ply setting.