(1) Dixie Narco 2145, 3561, 5591 Bev Max Optical Eye Sensor Override Jumper for the Bottle Drop Vending Machine. If you are having problems with machine sounding a series of beeps from optical eye sensors. Than this jumper is a must have! Very simple installation - Look for the main control board, located above that is small sensor board. Unplug cable that is bridging from small board to mother board. Install jumper on mother board. If your machine has an energy saver board than 2 jumpers will be needed to install on small board. The small board also runs the refrigeration temp sensor so it cant be discarded. FREE Fast USPS 2-5 Day Ship!
