Semi Cup Sealer Film NOT ROLLING FIX/SOLUTION

WY-680 model for the film not rolling at all . 1. Check and make sure the sensor feeding the film is working. You can test this by placing a piece of paper through the sensor and see if it LIGHTS RED. When paper or film is removed, the RED light disappears. IF THE RED LIGHT IS CONSTANTLY LIT, this means you need to rotate the SCREW inside the sensor CLOCKWISE. This means the screw is TOO LOOSE and will cause the film to constantly roll. You can refer to this video on how to fix this :    • WY-680 Semi Cup Sealer Constant Spinning S...   2. IF the film sensor is working correctly, this means that SENSOR INSIDE the machine is not being pressed. In this video , you can see that the LEFT SIDE SENSOR MUST BE PRESSED IN ORDER FOR THE FILM TO ROLL. You may need to open the front panel and make sure this is being pressed. You can remove the sensor and CLICK IT 30X TIMES TO MAKE SURE IT IS CLICKING . THE Sensor needs to be installed back into the machine with the SENSOR being PRESSED .