printerSetConcentration method

Future<void> printerSetConcentration(
  1. int density
)

设置打印浓度，传入 1 到 40 的业务值并映射到原生 1 到 10 档。

Implementation

Future<void> printerSetConcentration(int density) {
  throw UnimplementedError(
    'printerSetConcentration() has not been implemented.',
  );
}