BRLMPrinterModelTD_2120N top-level constant Null safety

BrotherModel const BRLMPrinterModelTD_2120N

Implementation

const BRLMPrinterModelTD_2120N = BrotherModel(codeIOS: 18, nameIOS: 'Brother TD-2120N', codeAndroid: 21, nameAndroid: 'TD-2120N');