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Barcode Verification

Verification Reports are test scan results of printed barcode images. A verification report states how well a printed barcode image scans. The verifier scans the barcode ten times and gives it a grade. Passing grades are A, B, C or D. The report also gives specific information on the various parameters of the barcode. It can highlight problems with the barcode image such as height. Some stores nsist on a barcode verification report for every new product. This is normally just supermarkets and other high volume stores that require verification reports.

Our verification tests are performed using the latest verification equipment and technology to internationally accepted barcode standards. If a retailer requests verification please order below and post us your barcode on its final packaging. Verification tests take 1-3 days after we receive the packaging. After the test we email  the verification report to you as a pdf file. You give the report to any retailer that requires a verification report.

Verification checks that your barcode images adhere to a strict set of regulations. Please see Barcode Dimensions for details on what is required for your barcode to pass verification. If you wish to verify another barcode (i.e. ITF-14), please ask us about the specifications for other barcodes.

Please note that our verification machine can only verify EAN-13 and UPC-A barcode images between 80% and 135% magnification.

  • Verification Reports

    Verification reports for your completed barcode artwork or finally printed packaging.

    Price:   $ 59 per report

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“Do I need Barcode Verification?”

Some retailers require verification for all new products entering their stores.  You need to check with your retailer to see whether verification is required. Other retailers conduct these tests themselves on new products they are accepting.

Verification reports can also be performed on your artwork before printing. This is a good way to determine whether your barcode is likely to pass when it is finally printed. NOTE that verification reports on barcode artwork do not guarantee that the final printed barcode will scan well. There can be errors in the final barcode printing process.

The safest process is to get a verification report performed on your artwork and another verification report for your final printed product.

If you would like a Verification Report (for your artwork or final printed barcode), please purchase above. Then post or courier the final printed barcode to us as printed on its label or packaging. Our address is on our contact page.


“How can I make sure my barcodes pass verification?”

About 20% of the barcodes we test fail verification. Verification standards are high. Aim to ensure that your barcode complies with the barcode standards verification criteria before sending it for testing.

The official barcode standards

Interpretation of failed reports:

We provide verification reports. We do not interpret failed verification reports. Please discuss your verification report with your printer.

The 7 parameters verification looks at:

  • Modulation – how much the contrast between black and white varies across the barcode as some parts can be blacker than others.
  • Defects – dark marks in white spaces and white marks on black bars.
  • Decodability – how accurate the different widths of the bars and spaces of the barcode are.
  • Decode – whether the light margins on each side (left and right white spaces), the encoding of data, and the check digit are all correct.
  • Symbol contrast – how black and white it appears to the scanning machine.
  • Minimum reflectance – whether the dark bars are sufficiently different from the white spaces (hence be careful when printing on coloured backgrounds).
  • Edge contrast minimum – The least distinct difference between a bar and space.

Please also see this link for help on solving barcode problems.

Further information about barcode verification: barcode verifier

A barcode verifier is not the same as a barcode scanner. A barcode scanner is typically a mass-produced item that interfaces with a computer providing machine recognition of the information (data) encoded in a barcode image. Using a scanner to test or read a barcode only assures that the scanned bar code has some area on it readable by that barcode scanner. Hence, the better the barcode scanner, the less barcode quality assurance is maintained. A good barcode scanner can read a poor quality barcode image.

In contrast, a bar code verifier is a precision machine. A verifier predicts how easily barcode scanners will read the barcode. The barcode verifier can decode, measure and check the quality of barcode images. It can also indicate areas for improvement.