How is the "broken line" of the thermal printer caused and solved?
The core component in the thermal printer core is a heat sensitive sheet, which is the most important consumable part of the entire movement. The correct use of the thermal film will directly affect the quality and effect of the printing and the life of the movement. Some users have the phenomenon of “broken line†due to improper use. We remind users to pay attention to the process of thermal printing. The following points:
1) Use the recommended thermal paper
The thermal printer has a relatively high requirement for the thermal paper used. Since the thermal paper is coated with a chemical coating, the thermal sheet is colored by heat to cause the writing to appear. During the printing process, the heat-sensitive sheet and the paper are in close contact. If the chemical coating on the paper is uneven, large particles and the heat-sensitive sheet may be rubbed at a high speed, causing the local array of the heat-sensitive sheet to be burned. This is what we usually do. Said the "broken line" phenomenon. Here we recommend: use better papers imported and made in China. In the same way, if printing in a dusty environment, the chance of "broken line" phenomenon increases greatly, and thus the life of the heat-sensitive sheet is shortened, which affects the print quality and effect.
2) Air humidity, temperature
The principle of thermal printing is to color the paper by the high temperature generated by the heat-sensitive sheet. If the humidity is too large, the degree of heat generation of the heat-sensitive sheet will be affected, and the color of the printed font will be lighter. The paper will also have uneven printing color due to wrinkles caused by moisture. The normal operating temperature of the thermal printer is 0-50 ° C. If the temperature is too high, the chemical coating on the thermal paper will become black and the paper will be deformed and the writing will not be clear.
3) Solution
If there is a "broken line" phenomenon, we have summarized the following solutions based on experience: firstly rub the thermal film and printing pad with alcohol, and then replace the high quality thermal paper. If the above methods do not solve the problem, please purchase and replace it with the dealer.
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