A label printer is a device that continuously prints a whole roll of labels by means of thermal transfer of carbon ribbons, where the carbon ribbons are consumables. The principle of thermal transfer of carbon ribbons determines that if there are quality problems with the carbon ribbons or various reasons such as wear of the print head, quality problems may occur in label printing.
Traditional detection ideas: area array cameras (intelligent area array cameras), line array cameras, and barcode readers. These methods also have obvious shortcomings. For example,
⬛️ The field of view of the camera is limited and it is not compatible with long labels (area array);
⬛️ A larger camera platform (area array) needs to be designed;
⬛️ It can only read the code and cannot detect the print quality (barcode reader);
⬛️ It needs to be equipped with a winding mechanism to ensure the flatness of the label through the winding tension;
⬛️ It needs to be equipped with a light source, but the light is dazzling and not suitable for working next to it;
⬛️ It takes up a large space and is not suitable for a compact desktop operating environment;
⬛️ The online error judgment system is a label detection system designed for various types of label printers.
⬛️ Print and inspect at the same time, "integrated" with the printer;
⬛️ It is a comprehensive inspection system combining software and hardware with "machine vision algorithm" as the core;
⬛️ Replace manual work to inspect label printing quality defects, OCR recognition, barcode readability, etc.;
⬛️ 100% inspection of label printing quality.
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