Datamax 7A300007 Rev. 2 manual QR Code Specifications, Description

Decimal:

27 90 54 12 12 1 0 0 1 22 49 50 51 52 53 54 55 56 57 48 49 50

Expected Result (not to scale):

QR CODE Specifications

Description

Character set QR Code Models

Error Correction Levels

Data Modes

Elements per symbol

Max. Characters

The code consists of black modules (square dots) arranged in a square pattern on a white background. The information encoded may be made up of four standardized types ("modes") of data (numeric, alphanumeric, byte / binary, Kanji), or through supported extensions, virtually any type of data.

numeric, alphanumeric, byte / binary, Kanji

Model 1 is the original specification.

Model 2 is an enhanced form of the symbology.

Ultra High Reliability Level (30% of codewords can be restored) High Reliability Level (25% of codewords can be restored) Standard Level (15% of codewords can be restored)

High Density Level (7% of codewords can be restored) AUTO (do not need to specify the character mode) MANUAL (need to specify the character mode.)

Square dot/element with the following pixel multipliers: 1(none), 2, 4(default), 8, 16

7366

QR Code Command Structure:

<ESC> – ‘z’ or ‘Z’ – ‘7’ – QR MODEL – ERROR CORRECTION – DATA MODE – MSB – LSB – PIXEL MULT - [User’s Data] or

<ESC> – ‘z’ or ‘Z’ – ‘7’ – ‘1’ or ‘2’ – ‘H’, ‘Q’, ‘M’ or ‘L’ – ‘A’ or ‘M’ – MSB – LSB – PM - [User’s Data]

Parameters

1)ESC(0x1B)

2)'Z'(0x5A) or 'z'(0x7A) - Enables\disables annotation

3)'7'(0x37) - Selects QR Code barcode symbology

4)'1'(0x31) or '2'(0x32) - selects model, where:

'1'(0x31) --- QR Code model 1 is the original specification while

'2'(0x32) --- QR Code model 2 is an enhanced form of the symbology (default and recommended)

5)'L', 'M', 'Q' or 'H' - QR Code Error correction level, where: 'H' --- Ultra High Reliability Level

'Q' --- High Reliability Level 'M' --- Standard Level (default) 'L' --- High Density Level

6)'A' or 'M' - QR Code Data Input Modes <AUTO, MANUAL>, where: 'A' --- AUTO (default)

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