addTextLine
static Printer.addTextLine
Prints text line with left and right parts
Parameters
printerInstance
Printer
Printer instance defined by calling new Printer(...).
params
Returns
Promise<void>
Errors
| 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. |
| CODE_ERR_AUTORECOVER | Automatic recovery error occurred. |
| CODE_ERR_COVER_OPEN | Cover open error occurred. |
| CODE_ERR_CUTTER | Auto cutter error occurred. |
| CODE_ERR_MECHANICAL | Mechanical error occurred. |
| CODE_ERR_EMPTY | No paper is left in the roll paper end detector. |
| CODE_ERR_PARAM | An invalid parameter was passed. |
| CODE_ERR_MEMORY | Memory necessary for processing could not be allocated. |
| CODE_ERR_TIMEOUT | Print timeout occurred. |
| CODE_ERR_PROCESSING | Could not run the process. |
| CODE_ERR_ILLEGAL | This API was called while no communication had been started. |
| CODE_ERR_FAILURE | Error exists in the requested document syntax. |
Supplementary explanation
- Based on paper width and characters per line (defined in printer specification), prints full width text line with left and right parts.
- Characters per line for each printer collected manually by maintainers of this library here. If you printer not listed there, or value is not correct please create an issue or PR.
- Internaly uses addText and getPrinterSetting commands.