1. After the goods purchased by customers are sent to the cashier, they pick up the barcode scanner and aim at the barcode pattern on the outer packaging of the goods to scan and read the commodity information.

2. The computer display screen will display all the information of this product, such as barcode, product name, product number, retail price, purchase quantity, etc. If this product participates in discount or integral cashier steaming, it will calculate the discount rate, discount and pre-payment.

3. A product then scans and reads the next bar code in the same way.

4. The cashier system software automatically calculates the price and total amount of all purchased goods.

5. For customers with membership cards, the cashier needs to enter the customer's membership card number at the front desk, and then he will be able to check the customer's name, membership card balance and discount rate, and collect the customer's funds according to the discounted amount.

6. The cashier collects customers' cash and carries out activities such as change according to the tips of the cashier system. Use a credit card machine to make credit card purchases for credit card consumption.

7. use a small ticket printer to print the customer's shopping invoice.