Microcom 814M Programming Manual - Manual (Page 87)

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4.3.6 Recommendations on applicable flow for programm
Make good use of ASB command during programming, since the ASB command is able to
automatically transmit printer status messages. Remember to enable the ASB function by using
command 1D 61 after the printer is turned on.
1) Inquiry printer status
Make sure to send printing data only when the printer is in normal status. We provide all status of
printer, at last printer transmits data to print in normal idle status.
2) Transmits the data to be printed (include the command settings before printing)
If printed data is bit image, don’t transmit status inquiry command when processing printing data.
3) Check printer status after printing. If the ASB is enabled, the status is transmitted automatically.