Choose the barcode fonts without the sign at the beginning of the font name because the font names with the sign may cause errors. Code 128 and Interleaved 2 of 5 fonts distributed from July 2003 to January 2004 sometimes appear in the font list with sign in front of them.If the font name contains the letter “S”, it is usually a sample or demo font. Some demo and sample version fonts may be missing characters. Make sure all demo and sample fonts are removed before installing the fully functional versions.The “text required in barcode font” column may be reproduced with any data in the online font encoder. The chart below contains a few examples of those fonts requiring check digits. All must be entered in this order to create a correct barcode. A correct barcode font contains a start character, data characters, a check digit, and a stop character. Some examples of encoding Codabar and Code 39 are listed in this chart: Barcode typeīecause the checksum calculation can be complicated, IDAutomation provides several Font Encoders to calculate these characters. Self-checking fonts like Code 39 and Codabar can easily be entered from the keyboard with the start/stop characters because a check digit is not required.įor example to encode 123945 in a Code 39 barcode font, enter *123945* in the application and select the Code 39 font for that text. Make sure the required format is being used to print the barcode fonts. The most common cause for a barcode font failing to scan is a missing or incorrect start, stop or check digit. All barcode fonts require a special start character, a stop character and most require a calculated check digit.If the font does not print from an application, refer to the Font Installation Procedures or TrueType font problems in Windows. This troubleshooting procedure assumes the barcode font is installed and can be printed from an application (such as WordPad in Windows).
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