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Do you know about the factors that affects the readability of pdf417 barcodes? Let you know about these factors: Databar PDF417 barcode readability depends on printing quality, scanner resolution, and contrast between barcode and background. Optimized readability should be achieved when printing in different colours or backgrounds. They are such as: *Contrast: The barcode's readability is significantly influenced by the contrast between the barcode and the background. To ensure scanners can easily distinguish between the dark and light modules, the barcode should be printed in a colour that provides adequate contrast with the background. *Scanner Quality: The scanner's quality is crucial for optimal barcode readability, as low-resolution scanners or those with poor contrast detection may struggle to read barcodes printed in low contrast or on insufficient contrast backgrounds. *Printing Quality: The quality of barcode printing is crucial for its readability. It should have high resolution and sharp edges to distinguish between dark and light modules. Poor printing can cause smudging or blurring, making it difficult or impossible to read by the scanner. *Background: The readability of Databar PDF417 barcodes is influenced by the colour and texture of the background. A uniform, free from patterns, background should be chosen for optimal readability. A colour that contrasts with the barcode colour is crucial. *Colour: Databar PDF417 barcodes can be printed in various colours, but it's crucial to choose one that offers adequate contrast with the background. Dark colours like black, blue, and green are commonly used due to their high contrast, while lighter colours like yellow, pink, and blue may require a higher contrast ratio. Databar PDF417 barcodes verify identity in banking, healthcare, and law enforcement. Encoded with personal information like name, address, and photo, they can be scanned against a central database to verify identity.