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The most difficult color to print in the industry

by:Supouches Packaging     2022-01-09
Printing equipment and technology are changing with the continuous development of the industry. Plastic bags have encountered many printing problems in the past 18 years of focusing on plastic flexible packaging. Because of the support of printing experience in the industry, many large customers at home and abroad, especially Japan The products given by our customers can be done with ease. Today, plastic bags will share with you some printing problems that are considered difficult to solve in the industry: First, let us understand together, what kind of qualified printed matter should have Requirements: 1. Accurate overprinting; 2. Uniform ink color; 3. Full dots; 4. Balance of ink and wash; 5. No printing faults in the printed product, such as smearing, scratching, patterning, paste printing, etc.; 6. Strict loyalty to the original manuscript . Let's take a look at the more difficult printing types: 1. The most difficult to print colors for things designed by people who do not understand printing is one aspect, too much multi-color very thin lines, very small characters transparent and so on. 2. Do not print in 4-color over-screen and 3-color over-screen full-page color (spot color printing is recommended). 3. Gray balance According to the experience of theory and production practice, the most difficult to control color of printed matter is gray balance. Gray balance means that the three primary colors of yellow, magenta, and cyan are combined and overprinted at a certain dot ratio from light to dark to obtain achromatic achromatic (white, light gray, gray, dark gray, black) with different brightness under a certain printability. Obtaining a visually neutral gray color has many factors that affect it. The amount of ink used in printing, paper, full-page density, dot area, overprinting, and screen line count will all have inextricable effects on the gray balance. It is the most test of the overprinting accuracy of the machine and the skill level of the operator. Fourth, the large flat screen with Cu003d50Mu003d50Yu003d50Ku003d50 will have serious color cast as long as there is a little inaccuracy. 5. The black background is not easy to handle. In order to achieve the effect, you can use special black ink or print twice. It is not difficult to print, and it is more labor-intensive. Six, the superposition of several color dots The superposition of several color dots, especially more than 70% of the dots. Specifically, dark brown, coffee, dark green (flat screen, containing blue 70), dark blue, purple blue, etc., are difficult to print because of the difference in color and it is not easy to find a balance on the printing machine. 7. The text with four-color text is four-color, that is, there are texts in the four colors in cmyk, especially the very small characters, which are difficult to put on, and the machine's gripping teeth are extremely demanding. This is also a relatively common problem, so the pre-press designer must check whether the black text in the publication file, especially the small print, is only on the black plate, and should not appear on the other three-color plates. 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. Unless otherwise specified, it must be dealt with. 8. In printing, things that are generally full-page have full-page or larger area, reversed white characters, the same logo, and the same color block. Generally, it is difficult to follow the color, and it is easy to produce color difference, ghosting, smearing, and scratches. Phenomenon. The above are the colors that are not easy to achieve when printing. I hope that designers and user friends can effectively avoid these bad places and make their products more beautiful!
Qingdao Supouches Packaging Ltd. have expanded from facilitating conversation and collaboration in the identity industry to providing strategy consulting services, research, analytics and education.
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