Films are all black. Film corners usually have an English symbol, which is the film number, indicating which of C, M, Y, and K is one of the cmyk (or spot color number) , Which indicates the color output of this film. If not, you can look at the angle of the net to identify the color. The ladder-like color bar on the side is used to check the dot density. In addition to looking at whether the dot density is normal, the color bar is still looking at CMYK. The color bar is C in the lower left corner, the color bar is M in the upper left corner, Y is in the upper right corner, and K is in the lower right corner, so as long as the color bar printing factory You know CMYK. In other words, in order to easily check the density of film development, film corners have color numbers.
As for how many colors are printed, it depends on the screen of each film. Film outlets tell you that “there is a certain color hereâ€. For example, the general text version has only one black, and the version has only one film. If you print with red ink, the printed words will be red. A film only represents one color. For printed colors, there must be at least 4 films, which represent 4 colors of C, M, Y, and K! It can also be four spot colors, and the spot color film is output as a K version with a separate file. The color code on the side cannot indicate the specific value of CMYK, but is used for comparison to check whether the film is qualified. Some people are used to marking the name of each version with the solid color on each version after drawing the corner lines (cutting lines, registration lines). For example, mark C, M, Y, K, and spot silver, and then fill in the spot colors on the blue, red, yellow, black, and spot color editions, respectively, so that the film that comes out is marked and particularly intuitive. The size of the color scale is 10 * 5mm, and the English letters of CMYK are printed on the paper. The color blocks correspond to the color names one by one. The printing workers can just look at the corner of the film. Generally speaking, the dot angle of film is fixed, just like the angle of the yellow version is 90 degrees. There are exceptions. If the expression of the image is concentrated in the range of 90 degrees, then the 90 angle cannot be used for the image. Otherwise, the trace of the net is too obvious !! According to the usual sense, there is a color, You should make a color bar and check in turn that during the process of coloring out the non-forest, the condition of drying on each density ladder is very clear. Generally, there are four color bars, and they are arranged neatly.
Most colors are derived from these four-color combinations, so each film is black, but the colors they represent are different C, M, Y, K. Look at the ratio to know, and then print the four-color ink.
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