Page 2 of 24 FA69354–2 English
Jun 2013
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How To Create Bar Codes
Linx 7900
1 Introduction
This document describes how you create and edit a bar code. The 7900 printer can generate
the following bar code formats:
You need a User Level C password to perform all the tasks described in this document.
1.1 Health and Safety
Make sure that you read and understand the Health and Safety information in the ‘Safety’
section of the Linx 5900 & 7900 Quick Start Guide.
Format Description
CODE 25 There is no character limit. Numeric only (0–9).
ITF (Interleaved 2 of 5). Numeric only (0–9). The data can contain any even number
of characters (which includes the checksum).
CODE 39 There is no character limit. The data must contain only upper case alphanumeric
characters.
CODE 128 Full 128 ASCII character set. There is no character limit.
EAN-13 13 digits (12 + checksum). Numeric only (0–9).
EAN-8 8 digits (7 + checksum). Numeric only (0–9).
UPCA 12 digits (11 + checksum). Numeric only (0–9).
Data Matrix
(ECC200)
A two-dimensional code of alphanumeric characters and punctuation symbols.
CODE 27 There is no character limit. Numeric (0-9) with additional stop/start characters.
Pharmacode Numeric only (0-9). The data represents a single integer from 3 to 131070 in
binary format, read from right to left.
Data Matrix
(GS1-128)
A two-dimensional code of alphanumeric characters which contains additional
information used to identify animal health products.
Figure 1. Bar code formats
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