2018-06-20 22:46:38,958 - Changing monitoring state from "Offline" to "Detecting serial port"
2018-06-20 22:46:38,989 - Serial port list: ['/dev/ttyUSB0']
2018-06-20 22:46:38,990 - Connecting to: /dev/ttyUSB0
2018-06-20 22:46:39,057 - Changing monitoring state from "Detecting serial port" to "Opening serial port"
2018-06-20 22:46:39,060 - Connected to: Serial<id=0x6c60f0f0, open=True>(port='/dev/ttyUSB0', baudrate=115200, bytesize=8, parity='N', stopbits=1, timeout=15.0, xonxoff=False, rtscts=False, dsrdtr=False), starting monitor
2018-06-20 22:46:39,061 - Changing monitoring state from "Opening serial port" to "Connecting"
2018-06-20 22:47:09,123 - There was a timeout while trying to connect to the printer
2018-06-20 22:47:09,135 - Changing monitoring state from "Connecting" to "Offline"
2018-06-20 22:47:09,142 - Connection closed, closing down monitor