Why is black needed for color printing?
First, to reduce the color deviation on neutral colors (grayscale) The imaging method used in the printer is CMYK color system (C-cyan, cyan; M-magenta, magenta; Y-yellow, yellow; K-key, key color), CMYK color system belongs to subtractive color system, that is, different colors The more superimposed, the darker the color, and the final CMY will be synthesized into black. But with current technology, CMY cannot be synthesized into pure black, and the final synthesized color is dark gray or dark brown. Therefore, when using color ink to synthesize black, you need to add black ink to make the color more pure. In the same way, when you want to print a […]