rks normally', 
    'ABNORMAL_COMMUNICATION': 'Abnormal communication',
    'OUT_OF_PAPER': 'Out of paper',
    'PREPARING': 'Preparing printer',
    'OVERHEATED': 'Overheated',
    'OPEN_THE_LID': 'Open the lid',
    'PAPER_CUTTER_ABNORMAL': 'The paper cutter is abnormal',
    'PAPER_CUTTER_RECOVERED': 'The paper cutter has been recovered',
    'NO_BLACK_MARK': 'No black mark had been detected',
    'NO_PRINTER_DETECTED': 'No printer had been detected',
    'FAILED_TO_UPGRADE_FIRMWARE': 'Failed to upgrade 