dependencies:
  sunmi_printer_plus: ^4.1.0

flutter pub get

await SunmiDrawer.openDrawer();

Uint8List assetImage = (await NetworkAssetBundle(
  Uri.parse("https://www.img.png")
).load("https://www.img.png")).buffer.asUint8List();

await SunmiPrinter.printImage(
  assetImage,
  align: SunmiPrintAlign.CENTER,
);

await SunmiPrinter.printText(
  'فاتورة ضريبية مبسطة',
  style: SunmiTextStyle(
    bold: true,
    fontSize: 45,
    align: SunmiPrintAlign.CENTER,
  ),
);

SunmiPrinter.lineWrap(10);

await SunmiPrinter.printText(
  "." * 40,
  style: SunmiTextStyle(
    bold: true,
    fontSize: 25,
    align: SunmiPrintAlign.CENTER,
  ),
);

await SunmiPrinter.printBarCode(
  model.data.referenceNo,
  style: SunmiBarcodeStyle(
    align: SunmiPrintAlign.CENTER,
    textPos: SunmiBarcodeTextPos.TEXT_UNDER,
    size: 3,
    height: 80,
  ),
);

await SunmiPrinter.printQRCode(
  model.data.referenceNo,
  style: SunmiQrcodeStyle(
    align: SunmiPrintAlign.CENTER,
    qrcodeSize: 10,
  ),
);

await printProducts(model.data.products);

Future<void> printProducts(List<Item> products) async {
  for (var product in products) {
    await SunmiPrinter.printRow(cols: [
      SunmiColumn(
        text: product.total.toString(),
        width: 12,
        style: SunmiTextStyle(
          fontSize: 30,
          bold: true,
          align: SunmiPrintAlign.LEFT,
        ),
      ),
      SunmiColumn(
        text: product.price.toString(),
        width: 12,
        style: SunmiTextStyle(
          bold: true,
          fontSize: 30,
          align: SunmiPrintAlign.RIGHT,
        ),
      ),
      SunmiColumn(
        text: product.quantity.toString(),
        width: 6,
        style: SunmiTextStyle(
          bold: true,
          fontSize: 30,
          align: SunmiPrintAlign.RIGHT,
        ),
      ),
      SunmiColumn(
        text: product.productName,
        width: 6,
        style: SunmiTextStyle(
          bold: true,
          fontSize: 30,
          align: SunmiPrintAlign.RIGHT,
        ),
      ),
    ]);
  }
}

await SunmiPrinter.cutPaper();