1. The equipment cannot be turned on.

A. Check whether the battery is installed correctly and the back cover of the battery is completely covered;

B. Please check if the battery has electricity;

C. If the battery has power and the battery is installed correctly, please do a cooling operation (FN key + reset key);

D. Please charge the battery for 10 minutes and then try it again.

2. During the scanning process, the scanning head is out of light but cannot recognize the bar code, and the system is very hard when scanning.

A. Recalibrate the scanning head, operation method: double-click "Scanner" on the desktop, open the scan head, reset the scan head, and the reset is successful;

B. please confirm whether the scanned barcode is intact or not;

C. If the scan head is recalibrated and the bar code is not damaged, the device can be restarted.

3. What about the failure of the radio frequency card reading card?

A. Whether the rf card is placed in the credit card area;

B. The card distance is best within 5cm, and the reading card can not be read too fast (because the radio and read process of radio frequency card requires stable field power supply, or it can fail easily);

C. Whether there are two or more rf CARDS in the vicinity of the card area;

4. What about the failure of IC card credit card?

A. Is the contact surface correct (chip facing up)

B. Whether the card is in place (the card is not in place to trigger the event)

C. whether the card has significant wear or tear or breakage

D. restart equipment

5. What about the failure of uhf card reading card?

A. the uhf card is placed in the credit card area;

B. The card distance is best within the effective range, and the reading card can not be read too fast (since the radio and read process of radio frequency card requires stable field power supply, or it can fail easily);

C. Whether there are two or more rf CARDS in the vicinity of the card area;

6. What about printer anomalies?

A. print blank: check whether the roll paper is installed correctly;

B. No paper: whether the paper cang/roller is correct, whether the paper is the specified roll paper

C. Print fuzzy: whether the printer heating head is sticky or not

D. unable to print: check the program or system issues and restart the device

7. Camera problems

A. no indication: please check whether the camera lens is covered with foreign objects; Rebooting equipment or swiping machine to troubleshoot problems caused by software;

B. Blur: check whether the lens is dirty, clean the lens and whether to close the focus function properly, properly adjust the distance and Angle of the photo