Bar code scanner is now one of the necessary equipment for many businesses. Once the bar code cannot be read normally, it will affect the normal work. So what usually causes this? Let's introduce some common reasons in detail.
The first reason that the barcode scanner cannot read the barcode normally: it may be because the barcode scanning is not turned on. For some special scanning barcodes, they are turned off in the factory settings. You need to turn on the corresponding barcode type according to the instruction manual to read the barcode information normally.
Secondly, it is difficult to read the barcode information if the reflected light appears due to the angle of sunlight. For the scanner, once the photoreceptor reaches the set saturation area, the barcode information cannot be read normally. Or it is impossible to scan because the scanning distance is improper. After all, the scanning range has certain requirements.
In addition, if the barcode itself does not meet the relevant standards, for example, if the contrast of the barcode is not high or there is a problem with the ratio of width to width, it will affect the barcode scanning. And if the printing is unclear or incomplete, it will affect its normal scanning work.
These are the common reasons that bar code scanners cannot scan properly. The influence of these factors will affect the results of the scan. To avoid these factors as much as possible, the scanning efficiency can be improved.