Learn how a QR code actually works by studying its structure. Knowing this will help you avoid issues that may or may not arise when printing your QR codes.

The structure of a QR code is comprised of:

- Version information: These patterns specify the version of the QR code. Currently there are 40, ranging from version 1 that has 21×21 dots, to version 40 with 177×177 dots. Versions 1 to 7 are the most used for mobile marketing.

- Format information: These patterns store information about error correction and data mask. The error correction aspect ensures that the QR code can be decoded even if it is partially covered or damaged.

- Data and error correction keys: These patterns store the actual information of the QR code.

- Position pattern: These patterns indicate the correct direction of the QR code.

- Alignment pattern: This pattern allows the QR code to be decoded in 360º.

- Timing pattern: These patterns allow the decoder to determine the width of the data matrix.

- Quiet zone: This crucial space allows the decoder to identify the QR code from its surroundings.

QR codes are a great solution created on solid technical pillars, much more complex than they might appear to be. We’ll help you understand how QR codes work and how to design and apply them. And not only that, but to also work around issues that may or may not arise when printing them.

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