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enterprisebarcodev18gs1 datamatr
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Ponyo

Hello,

I’m working on lot labels in Odoo v18 Enterprise.

According to the documentation and tutorials, Odoo should be able to generate GS1 DataMatrix codes (with proper AI application identifiers and FNC1 separator).

However, when I print the labels pdf the barcode that gets generated is only a plain DataMatrix not a GS1 DataMatrix.

Example : 019912345678901610C002ARCL251002

  • The data is concatenated correctly ((01) product + (10) Lot),  
  • But the output barcode still does not contain the FNC1 separator and scanners read it as a simple DataMatrix instead of GS1 DataMatrix.

My question:

  • Is this expected behavior in Odoo 18 (that the widget ECC200DataMatrix only generates DataMatrix, not GS1 DataMatrix)?
  • Or am I missing a step in the GS1 nomenclature configuration to make Odoo automatically insert the FNC1 and encode it as a proper GS1 DataMatrix?


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Atmesti
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Cybrosys Techno Solutions Pvt.Ltd
Best Answer

Hi,


In Odoo 18 Enterprise, the default barcode widget (ECC200DataMatrix) indeed generates standard DataMatrix codes and not GS1-compliant DataMatrix barcodes with the FNC1 separator. This is expected behavior, as Odoo’s built-in barcode generation focuses on standard encoding rather than GS1 formatting. To produce a proper GS1 DataMatrix, you would need to either customize the barcode generation logic or use an external GS1-compliant barcode library that supports automatic insertion of the FNC1 character and correct application identifier encoding. Odoo does not currently include this functionality out of the box, even if the data follows GS1 structure.


Reference:


* https://www.odoo.com/documentation/19.0/applications/inventory_and_mrp/barcode/operations/gs1_usage.html

* https://www.odoo.com/hi_IN/forum/help-1/how-can-read-the-barcode-gs1-128-datamatrix-and-generate-whith-odoo-131481

* https://apps.odoo.com/apps/modules/15.0/base_gs1_barcode

* https://www.odoo.com/hi_IN/forum/help-1/does-odoo-barcode-works-for-reading-a-gs1-datamatrix-213409


Hope it helps

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Atmesti
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