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Wark

How to improve barcode quality grade

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Pqa

Usps

Barcode-quality

Print-quality-assessment

Intelligent-mail

Hello,

We are using the IDAutomation PHP Linear Barcode Generator Script to generate USPS Delivery Confirmation barcode. We submitted samples to the USPS for approval, and they returned and said our barcodes don't meet ANSI grade A or B.

I understand the script generates a PDF and then we print the PDF using a Zebra LP 2844 Thermal Printer. I have turned up the JPG quality to 100%, adjusted the printer darkness, slower speed, and no dithering. However, USPS still says our barcode is not up to grade A or B.

Does anybody know how we can improve the barcode quality? Does our problem have anything to do with printing a JPG on a PDF? Is there a way to develop a higher-quality barcode that would meet USPS requirements?

Thanks.

05-18-12 12.4 year(s) ago

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Brant	Best Answer Wark, Since the IDAutomation PHP Linear Barcode Generator Script prints using the web browser, achieving a correct symbol is sometimes a challenge. Refer to the following dimensions required by the USPS and make sure they are accurate: https://www.idautomation.com/barcode-faq/usps-postal/intelligent-mail.html#Symbol_Size If they are not, you will need to modify the height or width according to this document: https://www.idautomation.com/kb/webresolution.html#Printing_Accurate_Barcodes We also offer our own IDAutomation 2D Barcode Scanner that can return a PQA or Print Quality Assessment of the Intelligent Mail barcode as shown here: https://www.idautomation.com/barcode-scanners/2d-imagers/2d-usb-barcode-scanner.html#2D_PQA If this solves the issue, please post the HTML you used to compress or expand the image so that it can help others with the same issue. Posted 12.4 year(s) ago (0) (0) Report Abuse

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