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How to troubleshoot barcode scanning gun failure?

Release Time:2020-10-19

Bar code scanning gun is more and more widely used in life. Because of its excellent automatic identification ability and convenient operation, it has been paid more and more attention by many companies. Many companies have built bar code software management system to help the company improve the management level and work efficiency.

Handheldbarcode scanning gunIn the application, often encounter a variety of human or external factors, resulting in the scanning gun can not be used, affecting the work efficiency, here to introduce a few often encountered scanning gun failure, such as scanning gun no light, crash and other problems should be how to troubleshoot and deal with, users in the purchase of equipment can also carefully read the scanning gun scanning failure causes and troubleshooting methods:


1. several more complex fault conditions are listed as follows:
1) There is no function to read this barcode.
2) The barcode does not conform to the specifications, such as the lack of necessary blank areas, the low contrast between bars and blanks, and the inappropriate width ratio between bars and blanks.
3) direct sunlight, photosensitive device into the saturation zone.
4) The surface of the bar code is covered with transparent materials, and the reflection degree is too high. Although the eyes can see the bar code, the reading conditions of the collector are strict and cannot be read.
5) Hardware failure, contact your dealer for repair.

2. scanning gun without light issued:
The scanning gun has USB,PS2 and COM interfaces. First check whether the line is connected properly. If it is the latter, the computer needs to be restarted after the device is connected.

After reading a bar code 3., the scanning gun crashes:
1) Due to the protection function of the scanning gun, if the read barcode data is transmitted incorrectly, it will automatically enter the protection state to prevent data loss. If the data that has not been successfully transmitted is read, the scanning gun can be used again.
2) If this phenomenon occurs, please carefully check the connection and agreement. After confirming that it is correct, turn off the scanning gun and turn it on again to resume normal use.

After the 4. is connected normally, the scanning gun is out of power
1) Poor power connection
2) Fuse blowing
3) Failure of power supply circuit of scanning gun

5. other common faults that should be sent for repair:
1) The indicator light is abnormal and the equipment cannot work
2) Abnormal sound
3) No laser line
4) The scanning distance becomes very close

Shenzhen Hongxing Yongli Electronics is a professional supplier of barcode software and hardware. Its products include:Label Printer, bar code scanning gun, data acquisition terminal, industrial tablet computer, etc., as well as having its own bar code label consumables factory, can provide customers with bar code hardware, bar code consumables, bar code automatic identification technology, bar code application system and a series of bar code technical service support.