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6.3.43 INTERNAL SERIAL INTERFACE PARAMETER SET COMMAND [ESC] IZ
Function Sets communication parameters for the internal serial interface.
Format [ESC] IZ; a, b, c, d [LF] [NUL]
Term a: Communication speed
0: 2400 bps
1: 4800 bps
2: 9600 bps
3: 19200 bps
b: Data length
0: 7 bits
1: 8 bits
c: Stop bit length
0: 1 bit
1: 2 bits
d: Parity
0: None
1: Even
2: Odd
Explanation The settings by this command take effect immediately after this command is analyzed.
(A restart of the printer is not required.) This command is saved into memory and is
kept even if the power is turned OFF.
When a communication error occurs in the internal serial interface, the ON LINE LED
goes off and the ERROR LED goes ON. “INTERNAL COM ERR” is displayed on the
upper LCD, and then the printer stops due to an error.
Example To set the communication speed, the data length, the stop bit length, and the parity to
9600 bps, 8 bits, 1 bit, and even parity, respectively.
[ESC] IZ; 2, 1, 0, 1 [LF] [NUL]