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What If the Barcode Scanner is Unrecognizable
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Although the usage frequency of barcode scanners is very high, such as supermarket checkouts, warehouse inventory, or various types of ticket verification, it is possible to see it. However, many people's understanding of scanning equipment only stays at the level of use, so if there is an unrecognized situation, they will be in a hurry and don't know what to do. Write this article tell you how to find the reason for the faults of your own scanning equipment.

barcode scanner faults

1. First of all, it is necessary to analyze whether the quality of bar code printed by the barcode printer meets the requirements. Of course, you can use the naked eye to identify the quality of printed bar code. As we all know, the bar code is composed of black bars and white bars according to the corresponding standards, so you can check whether the printed black bars are clear. If there are some white dots on the black bars, you can judge that the bar code quality is not very good, but it can still be read out by the better performance barcode scanner. If the black bar does not fully indicate that the bar code is completely unreadable, it is recommended to detect the device that prints the bar code, and then to check the ratio of the white bar to the black bar is accurate.

2. Check the printed bar code is what code system. Usually the common code system on the market is code128, code39, code93, EAN-13, etc. If the code system you print is not in this range, and then you must open the other barcode scanner code scanning function.

3. Check if the printed bar code is complete and the printed bar code exceeds the boundary of the label. According to the principle of barcode scanner scanning, the bar code must be complete from left to right. Each black bar and white bar has its representative meaning. Incomplete bar code can't be scanned even if the high-end barcode scanner is used.

detect barcode scanner

4. Finally, the barcode scanner itself is to be checked whether the barcode scanner is in good condition and whether there is any broken place. According to the relevant data of the technical department, the warranty reason for many barcode scanning is that the user don't know the original simple problem, that is to say, the original simple problem is complicated by the user. So the next time you encounter a problem that the scanning device can't identify, first check it yourself according to the above method. If there is still no way, then the warranty is also available.

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