Adds language setting to the command buffer.
number
Specifies the target language.
| Value | Description |
|---|---|
PrinterConstants.LANG_EN (default) |
English (ANK specification) |
PrinterConstants.LANG_JA |
Japanese |
PrinterConstants.LANG_ZH_CN |
Simplified Chinese |
PrinterConstants.LANG_ZH_TW |
Traditional Chinese |
PrinterConstants.LANG_KO |
Korean |
PrinterConstants.LANG_TH |
Thai (South Asian specification) |
PrinterConstants.LANG_VI |
Vietnamese (South Asian specification) |
PrinterConstants.LANG_MULTI |
Multiple languages (UTF-8) |
PrinterConstants.PARAM_DEFAULT |
Specifies the default value (English). |
Promise<void>
| Error status | Description |
|---|---|
| ERR_PARAM | An invalid parameter was passed. |
| ERR_TIMEOUT | Failed to communicate with the devices within the specified time. |
| ERR_MEMORY | Necessary memory could not be allocated. |
- This API is called before the addText API.
- Use this API at the top of each print job.
- Available languages differ depending on character specifications of the printer. For details, see Technical Reference Guide of the printer.