This leads to light not being reflected back for the scanners to read. Laser barcode scanners are incapable of scanning barcodes displayed on screen simply because the screens/displays give off light themselves. Typically, 1D barcodes are made up of white and black lines with spaces of different widths in between them. Laser barcode scanners scan barcodes by emitting light which is then reflected back to give information about the barcode. You may be asking yourself, why aren’t laser scanners able to scan barcodes off of digital screens and displays? Well, it’s all due to how they work. Only special type of scanners known as 2D imaging barcode scanners are capable of doing this. Laser Scannersįirst and foremost, laser scanners are not capable of scanning 2D barcodes or QR codes that are commonly displayed on LCD and OLED screens. This means you cannot scan a barcode displayed on a flat-screen TV or a mobile phone using a typical laser barcode scanner. While laser barcodes scanners have gained a lot of popularity over the years due to their efficiency and low cost, these scanners are not capable of scanning barcodes off of LCD screens or displays. ![]() This simply means that some scanners can scan certain types of barcodes while others cannot. Each model and make of scanner has its own unique capabilities and limitations. ![]() There are many different types of barcode scanners out there today.
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