News Center

Barcode Scanner Can't Identify Barcode Causes and Solutions

Release Time:2014-06-12

Unable to identify the bar code is one of the common problems of the bar code scanner, when we encounter the bar code scanner can not scanner, do not rush to disassemble the equipment, we need to start from the exclusion of the bar code scanner may be the cause of one by one exclusion. For example, the barcode scanner data line is in poor contact, or the barcode is not complete. Of course, there may be other reasons:

1

The barcode cannot be identified because of one reason: the barcode scanner is not accurate enough.

Solution: The reading accuracy of bar code scanner must be higher than that of bar code density. When we scan 4mil bar code, we must use bar code scanner with 4mil or higher scanner accuracy. The bar code density produced is mainly 1mil, 2mil, 3mil, 4mil and 5mil. When we read the bar code, we must first understand the density of the bar code, which may lead to unsuccessful scanning.

Barcode cannot be identified. Reason 2: Barcode scanner code system is not open.

Solution: The factory settings of barcode scanners are generally set with a code system. Some useless code systems will be locked to optimize the compilation performance of barcode scanners. When our barcode cannot be read, we should check whether the barcode is within the scope of the locked code system. If it is locked, we need to open it. There are detailed setting methods in the attached setting manual.

Bar code cannot be identified reason three: bar code scanner settings confusion.

Solution: Some special bar codes may cause the bar code scanner to be unable to read. This is because special bar codes will cause the bar code settings to become confused and cannot be scanned. In this case, we can solve the problem by restoring the factory settings in the settings manual.

Bar code cannot be identified reason four: bar code scanner hardware failure.

Solution: barcode scanner hardware failure will cause the scanner can not read, general hardware problems, do not easily to disassemble the barcode scanner internal parts, because this may lead to internal file damage, scanner hardware failure generally have the following several situations:

① The barcode scanner data line is damaged (just replace it);

② barcode scanner scanning head failure (repair or replacement);

The barcode scanner decoding board failure (repair or replacement can be);

The barcode scanner power board failure (repair or replacement can be).