diff --git a/plugins/USBPrinting/USBPrinterOutputDevice.py b/plugins/USBPrinting/USBPrinterOutputDevice.py index 957269f155..18373d34d2 100644 --- a/plugins/USBPrinting/USBPrinterOutputDevice.py +++ b/plugins/USBPrinting/USBPrinterOutputDevice.py @@ -205,6 +205,7 @@ class USBPrinterOutputDevice(PrinterOutputDevice): self._command_queue.put(command) else: self._sendCommand(command) + def _sendCommand(self, command: Union[str, bytes]): if self._serial is None or self._connection_state != ConnectionState.connected: return