printEscPos static method
Sends raw ESC/POS commands to the printer.
data: The raw ESC/POS command data as a list of integers.
Returns a String indicating the result of the operation, or null.
Implementation
static Future<String?> printEscPos(List<int> data) async {
return await SunmiPrinterPlusPlatform.instance.printEscPos(data);
}