THE HOPPER FROM THE DUST COLLECTOR TO THE ROTARY AIR LOCK WAS PLUGGED. THE EMPLOYEE WAS ATTEMPTING TO CLEAR THE PLUG BY PUSHING THE MATERIAL THROUGH. THE MATERIAL GAVE, LOOSENED AND WENT THROU GH, AS WELL AS THE EMPLOYEE'S FINGER, WHICH WAS STRUCK BY THE BLADE OF THE ROTARY FAN. THE DATE OF THIS REPORT IS THE FIRST EMPLOYER WAS ADVISEDOF THIS INJURY.