Troubleshooting your casino's slots doesn't have to cost an arm and a leg. You can do it yourself, and one of the most common steps to troubleshooting a faulty slot machine is to take out the hopper. The hopper is inside the slot, at the bottom. Almost all coin handling equipment contains a hopper. All you do is slide it out, and slide it back in when done. This video will show you how to remove and install a slot machine hopper in your casino slot machines. The machine in this video is an IGT S+.