The colorful colors of all beings create the colorful life of our human beings. We must say why the world is so colorful and colorful. In fact, nothing more than the existence of colorful, decorating and dressing up everything in the world. However, perfect people want to have, but there will always be more or less missing. This is not, there are many customers who reflect why some colors can not be printed? Today, Yi Ze Chuangsha Printing Factory will talk about this topic for you. There are a lot of problems that need to be paid attention to in printing. Today, I will focus on what kind of color is the most difficult to print.
The first is gray balance. According to the theory and practice, the most difficult color to control is the gray balance. The gray balance is in a certain printability. The yellow, magenta, and cyan primary color plates are combined with a certain dot size to obtain different brightness colors (white, light gray, gray, dark gray, black) from shallow to deep. The color of the visual neutral gray affects many factors. The amount of ink used in printing, paper, full-page density, dot area, overprinting, and number of screen lines all have an influential effect on the gray balance. The most accurate test of the machine's overprint accuracy and the ability of the operator.
Followed by the superposition of several color dots, especially more than 70% of the dots. Specifically, dark brown, brown, dark green, dark blue, purple blue, etc., due to the difference in color, are difficult to find balance on a printing machine, so they are all difficult to print.
The more difficult to print again is the missing word of the four-color stack. Excessive multi-color, extremely thin, extremely small, difficult to print, the machine's gripper teeth are extremely demanding. This is also a relatively common problem, so the pre-press designer must check the black text in the file before the output, especially the small characters, is it only available on the black version, but not on the other three-color version. If it appears, the quality of the printed product will be greatly reduced. When the RGB graphics are converted to CMYK graphics, the black text will definitely become four-color black. It must be handled unless otherwise specified.
In the final printing, the general version of the full version of the book, the full color or large area, anti-white characters, the same logo, and the same color block, generally difficult to color, easy to produce chromatic aberration, ghosting, dirty, scratched phenomenon.
In short, qualified prints must meet: accurate overprinting; uniform ink color; full dot; ink and water balance; print without printing defects, such as smudging, scratching, stencil, paste, etc.; strictly loyal to the original. We must pursue high-quality prints to adapt to the rising aesthetics of people.