The rubber nozzle is blocked. Automatic gluing and folding machine is a combination of automatic electronic gluing and vamp folding. When in use, if the working indicator light is always on due to the failure of the glue sensitive light, it is necessary to check whether the glue outlet is blocked. If it is blocked, it needs to be cleaned. Under normal circumstances, it is necessary to clean the glue outlet after stopping the machine every day to prevent the glue from drying and blocking the glue outlet. Indicator light refers to a device that uses light to monitor the working or position state of circuits and electrical equipment.