Little knowledge of Guangdong vending machine

Little knowledge of Guangdong vending machine. In Japan, vending machines are everywhere, and many students will prepare change for this. However, some students have encountered the problem that the machine does not accept the Japanese currency that they put in. Some people suspect that the Japanese currency in their hands is fake. Are Japanese vending machines rejecting transactions because of machine malfunctions or problems with the coin itself? In fact, there are tricks to using coins to shop in Japanese vending machines. Depending on the model of the machine and the product sold, the vending machine has a limit on the number of coins that can be inserted. For example, many machines can only accept 4 coins of 100 yuan or 3 coins such as 500 yuan at a time. Once this amount is exceeded, the machine will automatically refund the money back. So, what is the reason why a coin is returned but it is returned? What is the solution? The Japanese media has done an experiment for this, putting 10,000 10 yen coins into the vending machine and confirming that it is invalid The ratio of coins. As a result, three coins were returned. Two of them were made in Heisei 19 and the other was made in Showa 30. The invalid ratio is still quite low. According to the manufacturer of Japanese vending machines, these machines are basically designed to accept 95% of the Japanese currency in circulation on the market. They are equipped with sensors that can recognize the size, material, and unevenness of the coin. Therefore, coin machines that are deformed by external force cannot be read, and the possibility of refunding money if the surface is dirty is also high. At this time, the strategy of changing the order or speed of coin insertion is invalid. If the stains on the coin surface are removed and the coin cannot be read, you can turn it over and put it in for a try. Generally, the chance of successful recognition by the sensor device will increase. By the way, if it is a banknote, it is not the front and back that should be changed, but the chance of successful recognition is higher when it is turned around and placed. Next time, if you encounter a problem of refunding money from a vending machine, you may wish to try the above methods to solve it. If this article prepared for you is helpful to everyone, I hope I can collect it. If there is a shortage of vending machines in Guangdong and unmanned vending machines in Dongguan, I hope you can point us out so that we can have more improvement. Previous: Take you to understand how to use Guangdong unmanned vending machine Next: Market demand for Guangdong unmanned vending machine