1. This situation is usually caused by operator 01 being overwritten by operator 00. You can press the function key first, and menus such as supervisor change password, add teller, supervisor sign out, etc. will appear (not It must be the same prompts, but you only need to see sign-out), select supervisor sign-out, and then POS returns to the sign-in interface. You then enter the teller number 01 and password 0000 to sign in, and you can swipe the card normally.

2. The supervisor's operation is mainly for upgrade and debugging. Non-professionals should not operate it.

3. The supervisor password of the POS machine cannot be modified. If it needs to be modified, please contact the staff of the bank where the POS machine is installed, and the staff will help change it.

Extended information:

POS machine operation methods:

1. Before using the POS machine, check whether the power is on, whether the printer and the host are connected properly, Whether POS printing paper is installed.

2. The operator should perform "end-of-day processing" at the end of the business day. Special attention should be paid to that when the POS machine needs to be replaced for some reason, the "end-of-day processing" must be completed before shutting down and replacing it. .

3. Do not debit cardholders repeatedly due to repeated card swiping. During the transaction, if the purchase order is not printed out, the operator should first select the "reprint" function. If the voucher still cannot be printed out after reprinting, the operator should select the "query current transaction" function to query the batch number and merchant of the transaction. Serial number, then cut off the power, check whether the printer is connected correctly, unplug it again, and then choose to print specific records.

4. If you still cannot print, check the balance on the POS machine, and then check with the UnionPay Customer Service Center whether the transaction has been reversed. If the answer is that the consumption was successful, you can copy the consumption elements on the POS consumption slip. , the cardholder can take away the goods by signing, or cancel the transaction. Do not swipe the card again to redo the transaction, otherwise the cardholder will be debited repeatedly.

5. If the card swiping fails when making a transaction, you need to press the required transaction code key again to avoid mistaking other transactions as "consumption" and causing repeated debits.

6. Enter the cardholder’s password. In order to ensure the security of the transaction, the cardholder needs to enter the correct bank card password when making a transaction at a public POS machine. If the cardholder does not have a reserved password for the bank card, the operator directly presses the "Confirm" button of the POS machine to conduct the transaction, and the transaction is successful. .

7. Don’t forget to ask the cardholder to sign the purchase form. If the cardholder’s signature is inconsistent with the name reserved on the back of the card or the name and letters on the front of the card, you can check with the card issuer.

8. The transaction type on the printed purchase form needs to be carefully reviewed to avoid mistaking "consumption" for "pre-authorization" or "return" for "consumption".

9. Return transactions can be made in full or in part. If the return is unsuccessful, do not refund cash at will or let the cardholder take the goods away. You can handle it accordingly according to the POS prompts or contact UnionPay maintenance personnel. connect.

10. Do not unplug and plug communication lines casually. The communication interface of the POS machine is a dedicated interface (line port) and cannot be confused with each other.

11. For debit cards and cards from member banks that have not signed a manual card pressing agreement, the card pressing transaction is invalid and will not be recognized by the card issuing bank. Therefore, do not accept the payment.

Baidu Encyclopedia-pos machine