Errors in printing Korean (Unicode fonts such as Chinese or Japanese)

QUESTION
I cannot print Korean (or Unicode fonts such as Chinese, Japanese, etc.).

ANSWER
Check the firmware version
– If you don’t have the right firmware version, you should download the firmware and the fonts.
– If the firmware supports the corresponding language, you should configure the printer with setcharacterset() function provided by SDK.
: Refer to the manual for the parameter settings.