Nowadays, POS machines have become an indispensable financial tool for merchants to open their business. Credit cards have become an indispensable tool for financial consumption in urban life. As a pos machine for acquiring equipment, friends are definitely familiar with it. Almost every business will have a POS machine, and some businesses will have 2-3 POS machines to handle different consumption. Then, regarding the use of POS machines, some useful rules are not written in the manual, but friends still have to know. Today, I would like to say that when friends use POS machines, they should pay attention to the 10 small rules that are not written in the manual. Let us take a look at which 10 rules.

1. Know the source of the POS machine, and distinguish between a cleaning machine and a second cleaning machine. No need to clear the machine.

2, after 10 o'clock in the evening, before 9 o'clock in the day, it is not appropriate to trade.

3. Check in the POS machine before swiping the card to check the balance.

4, the number of consecutive failed card swipe, you can stop trading, do not repeat the transaction in a short time, the bank will determine that this is a non-real transaction.

5, the small ticket should be signed by me, do not sign on behalf of the case, in case of a single order, even if it is a normal business, it may be considered by the bank to cash out, at the same time, the minimum ticket must be kept for at least 12 months. Conditional can be retained for more than 18 months.

6. Avoid using the POS machine in an environment with too high or too low temperature to prevent the POS machine from being exposed to strong sunlight or high humidity.

7. The machine that is not used for a long time should be disconnected from the power supply; after the power is turned off, it should be turned on at least 1 minute later, it can not be turned on and off frequently, and the printing ribbon and printing paper should be checked frequently, the ribbon and printing paper should be replaced in time, and the printer should be kept. Internal cleaning; clean the machine regularly, dusting and removing stains.

8. When there is a paper jam, remember to turn off the power of the printer, then open the cover of the printer, carefully remove the jammed paper, put the paper back and cover the printer. When loading the ticket paper, remember to clean the paper debris in the printer while keeping the inside clean.

9. When the POS machine fails, immediately turn off the power and stop using it. Do not disassemble or repair it yourself, and contact customer service in time for after-sales processing.

10. When the operator gets off work, check if the power has been disconnected.

Summary: The popularity of POS machines and credit cards is convenient for all aspects of our lives, but we should know more about and familiar with POS and credit card related security knowledge. It is recommended that friends know more about the standard process of POS receipts and the security knowledge of credit cards. After all, there are too many black technologies for unscrupulous people, which makes them hard to guard against. I hope this information will help my friends.

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