Code 39, also referred to as Code 3 of 9, is an alphanumeric, self-checking, variable length bar code that uses five black bars and four spaces to define a character. Three of the elements are wide and six are narrow.

Code 39 supports the following characters:

• 26 uppercase letters

• Ten digits

• Seven special characters (- . $ / + % and a space)

• Start/stop character (*)

A Code 39 bar code consists of the following elements:

• Leading quiet zone

• Start character

• Data characters, with characters separated by an intercharacter gap

• Optional check character

• Stop character

• Trailing quiet zone

An example of a Code 39 bar code is shown below:

The extended version of Code 39 (full 128 character set) is supported as follows:

• Requires an Adrenaline card 650i or higher

• Requires that an Enhanced Bar Code hardware key be installed on every workstation

• Requires that Enhanced Bar Code be added to your Kofax Capture licensing