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Barcode technology is a widely used method of automatic identification and electronic computer data input in the world, and a management tool to improve work efficiency. The quality of bar code printed matter affects sales just like the quality of the product itself. Qualified bar code symbols are a necessary guarantee for the automated management of POS systems. We have seen that the relevant departments have implemented a bar code logo printing qualification recognition system for printing enterprises, and tested the test products and products for trial printing and formal printing to ensure the quality of bar code printing. However, the situation after this is easy to ignore. Some product barcodes are tested as qualified products after being printed by printing companies. However, during the use of system members and after circulation to merchants, they become unqualified products, which should cause system members ’ Value.
There are usually the following situations:
Incorrect product shape design is common for beverages, especially polyester bottled beverages. The shape is convex and concave, and the bar code symbol is usually printed on a plastic label. After the label is pasted on the bottle, the shape of the bottle becomes uneven and wrinkled. Folding, resulting in the bar code symbol cannot be read correctly. In this case, you should ensure that the label is smooth when designing the shape of the bottle.
For some bagged products, the bar code symbol is printed near the edge of the bag. Although the inspection is passed after printing, the content is deformed and wrinkled after being loaded, and the bar code cannot be read correctly. The correct method is to avoid the seams and deformed parts when designing the barcode position. It is best to load the contents in the bag and observe the flat part before printing the barcode symbol at this position.
For some boxed products, the barcode symbol was checked when the packaging box was tiled, but when the carton was folded, the barcode symbol was partially concealed, or the left and right blank areas were insufficient. This should be fully considered when designing the barcode location.
In order to pursue the upgrade of products, most of the products are covered with heat shrinkable film, and the barcodes may also be unqualified. After the heat shrinkable film is shrunk by heat, it cannot shrink and flatten at the corners of the product, forming wrinkles, and the barcode symbol at this position cannot be read correctly.
Some products, especially children's products, put a mark between the heat shrinkable film and the product, small toys, etc., to attract customers. It is common to put bubble gum on three-dimensional crystal glue, often covering part or even all of the bar code symbol, making it unreadable .
If the product is marked with other content and the barcode is unqualified, it is common that the food is marked with the production date, production batch number, shelf life, etc., and is erroneously marked on the barcode symbol. Boxed foods use pad printing inks and are marked with a hand-printing machine. Some boxes have bar code positions designed on the other side corresponding to the marked date positions, while pad printing inks need to be dried after printing, quick-drying The ink needs 2 ~ 5 seconds, slow drying ink takes more than 5 seconds. When the box is pushed after the date is marked, the wet ink will contaminate the bar code symbol on the other box, how much pollution is piled up, and the stain is formed, which cannot be read correctly. This should be paid attention to when designing the position of the bar code.
Special quick-frozen foods such as ice cream, etc., when taken out after refrigeration, the surface is condensed with a thin layer of ice cubes at low temperature, and the bar code symbol is covered in whole or in part, making it impossible to read correctly. Such products are seasonal and short-term, and in-store codes should be used.
In short, to ensure the quality of bar code prints, not only must the bar code printing process be controlled, but also the use process of bar code prints, only bar code printing until the products carrying bar code symbols are sold through the POS system. Only by paying attention can we effectively promote the improvement of barcode quality.
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