Scanner common problems and solutions

Summary:Barcode Scanner Precautions-Warning-Little Common Senses: Mainly introduces the common problems and solutions of the scanner, as well as the knowledge that the scanner settings are incorrect and the settings are muted.

1, the problem description: LED is not bright, no beep, no laser.

Possible cause: The scanner is not powered, the scanner is not powered or the data cable interface is loose, and the contact is poor.
Solution: Check the scanner wire to ensure that the computer is powered normally and the data cable is reconnected to the scanner once.

2. Description of the problem: The scanner scans, the beep is normal, and there is no data transmission.

Possible cause: The scanner setting is incorrect; the wire is broken. Solution: Refer to the instruction manual to ensure that the corresponding data cable is set correctly.

3. Description of the problem: After the serial cable is connected, there is no data transmission in the reading code.

Possible cause: Not set to serial port mode or communication protocol error.
Solution: Scan the serial port mode to serial port mode and reset it to the correct communication protocol.

4. Description of the problem: The scanning gun reading code is normal, but there is no buzzing sound.

Possible cause: Set to mute solution: Scan the buzzer "on" setting.

5, the problem description: the scanner is turned on normally, the laser is out, no code reading.

Possible cause: The corresponding barcode system is closed or the barcode is damaged or the quality of the print is defective.
Hardware failure, bad solution for electronic components on the motherboard: Turn on the corresponding barcode system and carefully check whether the barcode is damaged or not. Check the printer's mode. Change the printer settings.

6. Description of the problem: The computer does not recognize the USB device when scanning a barcode and crashing or using a USB cable.

Possible cause: The data is not transmitted due to bad wire and the crash and USB device are bad.
Solution: Find a dealer to buy replacement wire.

7. Description of the problem: After the device is connected, the LED flashes, there is no sound, and it cannot be scanned.

Possible cause: The internal IC of the scanner is defective.
Solution: Return to the manufacturer for repair.

8, problem description: the scan is normal, the keyboard can not be used
Possible cause: The internal IC of the scanner is poorly burned. Solution: Return to the manufacturer for repair.
9, problem description: laser is always bright
Possible cause: Scanned the manual to set the barcode to the constant light mode. Solution: Restore the factory settings and return to the manufacturer for repair.

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