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Ordinary printers can be divided into ink-jet printers, dot matrix printers, laser printers, etc. according to their working methods. The principle of printing is:
The dot matrix printer prints character graphics through physical contact between the printer and the paper.
Inkjet printers first generate small ink droplets, and then use inkjet heads to guide small ink droplets to a set position. The finer the ink droplets, the clearer the printed image.
Laser printers, printing principle is the use of a raster image processor to generate a bitmap of the page to be printed, and then convert it into an electrical signal and a series of pulses sent to the laser transmitter. Under this series of pulse control, the laser wave will have Some regular release, the final print.
Barcode printers print on a thermal basis and use ribbon as the print medium (or use thermal paper directly) to complete printing. The greatest advantage of this printing method over ordinary printing methods is that it can be realized without supervision. Continuous high speed printing. The content it prints is generally the company's brand identity, serial number identification, packaging identification, bar code identification, envelope label, apparel tag, and so on.
According to the print mode is divided into thermal printers and thermal transfer printers! Heater and heat transfer machine shows the following differences:
First, the use of supplies is different:
Consumables for heat-sensitive machines: thermal paper; (small tickets that we often see in banks and supermarkets are thermal paper); thermal printers can only use thermal paper to print; thermal paper is coated with a layer of heat A coating that changes color due to a chemical reaction occurs. However, this coating discolors when exposed to heat. This feature of the coating allows thermal printing to occur.
Thermal transfer barcode printer
Consumables used: label, PET, PVC, water mark, tag, and other labels, but also able to print thermal paper;
Second, the shelf life of label paper information is different:
The storage time of the media printed by the thermal printer is generally six months! (Specifically depends on the storage location, humidity, temperature and other circumstances determine the actual shelf life)
The storage time of the media printed by the thermal transfer printing machine is generally more than two years (depending on the quality of the used label paper and ribbon)
Third, the scope of application is different:
Applicable place: Heat-sensitive machine: supermarkets, clothing stores, logistics, retail and other companies that do not require high bar code;
Heat transfer machines: manufacturing, automotive, textile, telecommunications, food, electronics, chemical, pharmaceutical, medical, utilities, retail distribution, transportation and logistics, government agencies, and other companies;
Fourth, the cost varies:
Cost Comparison: The cost of thermal machines is lower, and consumables are lower; the cost of thermal transfer machines and the cost of consumables are relatively higher.