How to Verify a 2D Code on Glossy Packaging

A phone may read a glossy package at one angle and miss the same code when glare crosses it.

The glare can reduce the visible difference between dark and light modules. Moving the phone is a useful troubleshooting check. Approval for retail scanning calls for verification of the printed symbol on the finished package.

Check the symbol on the final surface

Inspect the module edges and the clear area around the code. Decoration, a seam or a texture within that area can interfere with detection. For a reflective surface, consider a matte, opaque background for the code zone and verify the actual printed combination. A test on a flat proof cannot reproduce the glare and curvature of the final pack.

Separate verification from practical scanning

Use a suitable verifier and the application requirements for the chosen symbol. Keep the verification result with the artwork revision and the finished sample. Check representative retail scanners or phones separately for practical use, recording angle, distance and lighting where relevant. A successful phone scan confirms that particular attempt, while a verification report characterizes the print quality against the specified method.

Packaging sample showroom of SamBound New Material Technology Company Ltd. Company information at sambound.com.

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SamBound New Material Technology Company Ltd.