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Code 128 Not Scanning


We have used your products before, but when we try to create Code 128, it does not scan:
image

Can you tell us what is wrong?

Operating System: Windows

Application: Excel

11-23-15     8.9 year(s) ago    

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James

Best Answer

Note: A new product (Native Barcode Generator for Excel) has been released since this post was resolved that offers an easier method of generating barcodes in Excel: https://www.idautomation.com/barcode-components/excel-native-generator/


It seems that your company has previously used Code 39.

Code 39 only requires start/stop characters (*, !, or parentheses- depending on which program is being used) like *123ABC* !123ABC! or (123ABC).

Unlike Code 39, Code 128 needs a full encoder, not just start/stop characters. This is why the barcode will not scan, as it is not properly encoded.

To encode Code 128:

1. Make sure the barcode font you are using is an IDAutomation Code 128 Font.
2. Use an IDAutomation (free) font encoder for Excel. Here are the respective downloads and general tutorials for each (please pay careful attention to the tabbed topics). If the first does not meet your needs, use the second:

a) Add-In*
b) VBA

In addition, to encode GS1-128:

1. Review the concepts of Application Identifiers (AI) and GS1 formatting.
2. Once the above is reviewed and the AIs to use are known (see your specifications):

a) Use the Code 128 ‘Auto function’ of the respective encoder (this will be the option/function without a, b, or c in the name).
b) Enable the ApplyTilde* parameter.
c) Format the data in the Excel cell (as in #1’s example): (8100)712345(21)12345678
d) Change the cell's font to an IDAutomation Code 128 font.

*To Set ApplyTilde Using the Add-In:
• Copy formatted data text to the appropriate cell.
• Select the cell (referring to the colors in the image below):
a) Orange: For Symbology, choose Code 128, press ‘Change To Barcode’, and Code 128 from the dropdown. A barcode will now appear.
b) Red: Choose the cell, press fx to the left of the function, and a popup will show.
c) Green: In the popup, place a 0 for ReturnType and 1 for ApplyTilde and press ‘OK’

image

The cell with the barcode can be ‘copied down’ - given there are more rows of data below (as in Column A) in the example above.

Posted 8.9 year(s) ago

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Other Answers (2)
In the tests performed, the red #Value shows, but the function still works correctly. To be safe, apply the barcode font to the encoded text and scan the barcode to verify it is working correctly. If in doubt, using the VBA is recommended.

Posted 8.9 year(s) ago

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What do we do if we get a red #Value when we follow the instructions for the Add-In?

Posted 8.9 year(s) ago

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