Color Printing

By: Jimmy Sturo
Submitted: 2007-01-17 15:35:33
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Color printing furnishes reproduction of images and text in color, which cannot be produced in monochrome printing processes. The technique is also referred to as four-color process printing when only CMYK, i.e., cyan, magenta, yellow, and black are used while printing. Six-color process printing is another method of color printing that involves addition of orange and green colors to the traditional CMYK color scheme, making possible more vibrant color combinations.

However, a series of steps are involved in the color printing process to generate a quality color reproduction. Color separation is the most primary step, which is accomplished with the help of digital imaging technology wherein the original artwork is digitally scanned and separated into red, green, and blue components. Digital imaging technology has been very significant in faster and higher quality color separation. The technique has eliminated the drawbacks of the traditional method, which was to photograph the image three times, and then a different filter was used for each color.

After separation, the images are inverted, and then, by black separation, an image with better contrast and shadow is reproduced. The final step is screening of the image in required colors.

The Stochastic screening method is the latest approach in this direction, which greatly facilitates in eliminating the dots that are generated by the traditional half-tones screening processes.

Color printing can be reproduced with the help of various printing techniques, such as offset lithography, screen-printing, digital printing, flexography, and gravure. The offset lithography is done mostly by all printers and is considered one of the main methods. On the other hand, screen-printing is the most popular technique and is useful in a variety of printing operations. The technique is mainly useful for printing flat surfaces and can print on anything from paper to metal. Digital printing is another process that is becoming very popular and delivers seamless color prints.

Printing provides detailed information on Printing, Photo Printing, Post Card Printing, Commercial Printing and more. Printing is affiliated with Screen Printing Equipment.

Article source: Expert Articles

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