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Thermal Printer Electrostatic Cause Analysis

Jul 04, 2019

(1) contact and peeling generate static electricity

during the operation of the printer, the paper is peeled off from the paper roll. after the printing is completed, the paper is quickly peeled off from between the print head and the rubber roller, and the paper is fed out. while the paper is peeling off, charge migration occurs between the paper and the print head and the rubber roller. the magnitude of the peeling force is determined by the adhesion of the rubber roller, the printing speed, and the like, and the greater the peeling force, the more the charge is transferred, and the greater the amount of static electricity generated.

找个麻将群(2) the effect of machine speed on the generation of static electricity

找个麻将群when the printing speed is increased, the friction and the peeling speed are accelerated, so that the electron movement is intensified, the energy of the charge migration is increased, and finally the static electricity is intensified.

(3) environmental factors

找个麻将群the use of air temperature and humidity in the environment has a significant effect on static electricity. the thermal printer has a wide range of applications due to its fast printing speed, high print quality, simple structure, low noise, and no pollution. the use environment is very complicated. in the summer, due to the relatively high relative humidity of the air, there is not much static electricity, and in the winter when the air is dry, it cannot be released quickly due to static electricity, and a large amount of static charge is accumulated.

the above conditions only consider the cause of static electricity in a wide range, but the degree of static electricity and the influence of static electricity in different parts of the printer on the printer are quite different. this makes static electricity in some cases not constitute or constitute a minor influence on the printer printing process. however, when the static electricity of a certain part exceeds a certain degree of influence, the printer will have an irregular crash or a reset. this requires in-depth research on the effects of static electricity on the printer's crash. this situation is avoided in future designs, and the printer can work smoothly and normally.

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