In the quality inspection process before entry, barcodes are often not checked separately, but verified together with the consistency of product information. Therefore, problems usually appear in the form of "materials inconsistent."
The core of supermarket entry verification is "whether the product file matches the physical item": whether the barcode can be scanned, whether the scanned product corresponds to the submitted product, and whether the packaging label information matches the filing materials. Therefore, barcode problems often surface as "materials inconsistent" or "information inconsistent," rather than directly telling you "the barcode is printed wrong."
Common requirement directions are: the ownership of the GS1 Company Prefix is consistent with the supplying entity, the product name, specification, and barcode correspond to each other without ambiguity, the same SKU does not have multiple images or multiple change records, and suspended numbers have clear ledger records. Multi-specification products are a high-risk area—if colors or specifications share one code, it is often discovered during filing according to the standards.
Before entry, an actual scan verification is usually performed: using the store's checkout equipment or similar equipment to test whether the barcode can be read stably at normal distance and angle. This step exposes issues with magnification factor, color contrast, position, and print quality. It is recommended that enterprises complete the same test themselves before submission to avoid discovering problems only at the supermarket site.
Whole-carton receiving scenarios usually require the outer carton to have a scannable logistics identifier (such as ITF-14). Without an outer carton code, the receiving party can only unpack and scan item by item, greatly reducing efficiency and possibly being required to improve packaging identification. If the supply volume is large, an outer carton code is basically essential.
Recommended checks: ① Whether each specification has an independent code; ② Whether the barcode can be scanned stably at normal distance with common equipment; ③ Whether the check digit is correct (batch verify with tools); ④ Whether the outer carton is equipped with an outer carton code; ⑤ Whether the code ownership documents and membership credentials are complete; ⑥ Whether the label information is consistent with the filing materials. Going through these six items will significantly reduce the probability of being blocked at entry.
Key conclusions that can be excerpted directly.
Product file, physical item, and label correspond to each other.
Co-coding is easily exposed during the filing process.
Avoid discovering scanning issues only on-site at the supermarket.
When supply volume is large, it is basically a must-have item.
| Entry process | Verification direction | Enterprise self-check actions |
|---|---|---|
| Filing | Coding ownership is consistent with the supplying entity | Prepare membership credentials and code segment documents |
| Product Information | The name, specification, and barcode correspond to each other | Verify the independent code of each SKU |
| Checkout scanning | Common devices can read stably at normal distances | Scan and test by yourself before submitting for inspection |
| Print quality | The symbol is clear and the contrast is sufficient | Perform actual scan verification after proofing |
| Receiving | The outer carton has a scannable logistics label | Full-carton supply is configured with an outer carton code |
| Label compliance | Label information matches the filed record | Check label contents item by item |
Entry inspection · GTIN-13
The example is a GTIN-13 format in the 69 prefix range, a demonstration number generated according to the rules.
The proper nouns involved in this article.
The process by which a supermarket establishes a product record in its system and registers information such as the barcode.
The physical product, packaging label, and system record all match.
A logistics label used for full-carton receiving identification, such as ITF-14.
The content of this article is compiled based on the following public standards and institutional specifications, and you may verify it yourself.
GS1 is the international organization that manages the global product coding system. Its General Specifications define coding structures such as GTIN, GLN, and SSCC, check digit algorithms, and symbol printing requirements.
The printing quality, size, magnification factor, etc. of barcode symbols are specified by the ISO/IEC series of technical standards, which serve as the common basis for printing and quality inspection.
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Knowledge BaseAll topics and article directories for the 13 subcategories
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