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Principle of thermal sensitivity The core of thermal paper is its thermal coating. It is mainly composed of colorless dyes, color developing agents and sensitizing agents. When stimulated by the appropriate heat energy, the colorless dye and the color developer undergo a chemical reaction, resulting in a color change to achieve the printing of information. This thermal reaction is the key to the ability of thermal paper to record text, images and other information. Printing application Express...

Heat sensitive express sheet paper is a special paper widely used in the express industry, the following is a detailed introduction: First, basic principles The heat-sensitive express sheet paper uses the heat-sensitive properties of the heat-sensitive coating to realize information printing. The surface of this paper is coated with a layer of heat-sensitive material, which is usually composed of colorless dyes, color developing agents and sensitizing agents. When the heating element of the...

Once, the customer reported that it was also the product of Glassine. The blue base paper had no problem on the thermal printer but the white base paper had the problem of misalignment. The main manifestation is that after printing a few sheets, the printing position gradually shifts forward or backward. Failure analysis: Thermal printers use a sensor to scan the distance between the labels to control the paper feed. The light intensity of the sensor can be adjusted. The blue backing paper and...

Because the bar code should be used in ordinary thermal paper, the image will indeed disappear after long-term placement. Thermal paper is the United States 3M company first developed, is a kind of heat hair color information paper. Because of its supporting printing facilities are simple, single consumables, no ink, no smoke and odor during recording, thermal paper has been widely used in life, common use scenarios include: cash register, that is, POS machines, ATMs, etc.; Labels, i.e. food...