POS scanner can't scan where is the scorpion?

During the use of the POS machine, customers will be affected by the fact that the POS scanner cannot scan. In this case, engineers need to check and maintain from the following aspects:

For this situation, engineers need to analyze according to the following aspects:

Whether the scan gun line can be connected normally (can be replaced by a test or a direct visual inspection);

The scanner has infrared but cannot scan.

Need to instruct the customer to quit the application system, open the document or form, scan the article with the barcode test, if the scan is successful, configure the application system;

After exiting the system, engineers are required to scan the specified bar code in turn according to the scanner manual, and then test it. If it is still invalid, the scanner needs to be replaced.

Note: When scanning, the infrared light of the scanner will not flash, or it will make a beeping sound when scanning. It belongs to the second case. It needs to perform the operation of restoring the factory settings. When doing the operation, you need to exit the customer's application. System, after the test is completed, it is best to open the document or form to test the scanned items.

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