The color reproduction of wide format printers is one of the important signs for evaluating the quality of prints, just like the tone reproduction. The ideal color copy should be the restoration of the original color. Since the color of the original sometimes deviates, the color copy should meet the copying requirements.
At the same time, in the color reproduction process, it is affected by the conditions of color separation, light source, output material, development, etc. Quantitative evaluation of color reproduction is a very complicated prob wide format inkjet printer lem. Objectively, it’s better if the color of the printed matter and the color of the scene are closer to the physical quantity. However, there is no ideal device to completely replace the eye. And people assess the color often based on the memory or impression of the scene. The memory of the common objects often deviates from the physical color. The color sublimation printing of the people’s favorite color deviates from the actual color. For example, the blue sky is not blue in many cases, and the green trees are not necessarily all green. It makes it difficult for color reproduction of inkjet printers.
In the inkjet printers printing and copying process, people use the neutral gray balance reproduction as the basis for color reproduction. In the range of the tone range, the gray of the different proportions of cyan, magenta and yellow dots of the three primary color inks is printed. It is called neutral gray balance data before and during printing. Therefore, during the entire image reproduction process, neutral gray balance data is used as an important quality standard for monitoring the production process from prepress to printing. In the color copying process: the color should conform to the original, true, natural, and coordinated. The difference between the printed sheets of the same batch of products is less than 5.
The resolution of an inkjet printers is the ability of a printed image to distinguish and reproduce the details of the original image, or the ability of the image to resolve the original scene. The definition refers to the clarity of the image details, mainly the sharpness of the edge of the image and the edge of the line. The resolution of the printed image mainly depends on the influence of the number of screen lines added. But the number of screen lines is restricted by the printing materials and printing methods. The highest resolution can’t always be obtained. And the accuracy of printer printing will affect the resolution of the image. The resolution of the printer will also affect the clarity of the image to a certain extent. Of course, the resolution is also affected by the printing process, materials, technology and so on.
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