What factors affect the image clarity on small roll thermal label paper?

The image clarity on small roll thermal label paper is affected by multiple factors, and the following are some of the main factors:

1. Print head temperature setting and status

Temperature setting: The printing process of thermal paper is achieved by heating the print head. If the print head temperature is set too low, the printed image will be blurry. This may be due to incorrect printer settings or temperature fluctuations during the process.

Cleanliness of print head: Impurities such as dust and grease on the print head can affect the printing effect, making the printed image blurry. Long term lack of cleaning of the print head can accumulate more dirt, leading to a decrease in print quality.

2. Quality of thermal paper

Thermal dye and coating: Thermal paper is mainly composed of thermal paper substrate and thermal coating, among which thermal dye is the core component of thermal paper, and its performance directly affects the printing effect of thermal paper. High quality thermal sensitive dyes should have characteristics such as high thermal sensitivity, strong color fastness, high contrast, and a wide printing temperature range.

Printing accuracy and smoothness: The printing accuracy of thermal paper depends on the resolution of the thermal head and the smoothness of the thermal paper. The higher the smoothness, the better the clarity of the printed result.

Durability: High quality thermal paper should have characteristics such as water resistance, light resistance, friction resistance, and chemical resistance. These characteristics can ensure that thermal paper is not easily faded, blurred, or damaged during long-term use.

3. Storage environment for thermal paper

Environmental factors: If thermal paper is exposed to high temperature, high humidity, or direct sunlight, it may cause a decrease in its quality, which in turn affects the printing effect.

4. Printer and software settings

Printer density: If the printed content is not deep enough due to insufficient print head temperature, the print clarity can be improved by adjusting the printer density (i.e. printing speed and depth).

Software settings: Ensure that the settings in the printing software match the specifications of the printer and thermal paper to avoid unclear printing caused by improper settings.

In summary, to improve the image clarity on small roll thermal label paper, it is necessary to comprehensively consider multiple factors such as print head temperature setting and status, thermal paper quality, thermal paper storage environment, and printer and software settings. By optimizing these factors, the clarity and effectiveness of thermal printing can be significantly improved.