High Definition Full Color Offset Printing

High Definition Full Color Offset Printing

Is going on the screens. Well, so what about screens? If you purchase offset printing in color services you need to know the differences relating to the 2 different screen technologies utilized in commercial printing. It affects the quality of all of your printing in color. You may know a few of these items, most people that buy printing do not know what you should learn in the following paragraphs. It is a little technical, but stick with it as you may want to make some changes in terms your printing is printed. So let’s begin.

This is one way it functions. Your files head to pre-press where these are reviewed for technical errors prior to being converted to screens for printing; it’s the initial step along the way. Customer files then go with a plate maker being processed and after that transferred (offset) to 4 different metal plates, one all of cyan, magenta, yellow and black. Each plate transfers some of it to some rubber blanket as well as the blanket offsets some of it on top of the paper.

Most commercial printers use conventional AM (amplitude modulated) line screens, which are dots arranged within a rosette pattern to makes images. This means each screens plate must align perfectly at very high-speeds of rotations with the press cylinder to hold registration sharp. At typical press run speed alignment in the plates could be unstable. The way works is a few dots are large and several dots are small according to their tonal value. The larger the dots the more ink they pick-up.

<img src="http://www.sunpack.com/wp- offset printing singapore /uploads/2015/03/OffsetPrinting.jpg”>

Probably the most commonly used line screen dots are from 150 to 300 dots per inch depending on the screens used by the printing firm. Printing companies pick a type of screen and then use it for many their printing, so you can’t ask your printer to use high dot line screens. A challenge is conventional screens make use of a great deal of ink that pools together. Detail is reduced caused by flooding the paper with too much ink. Color gamut will be the range of colors that could be printed. A lot of ink inhibits subtle colors and tones are lost as the color gamut is reduced. Subtle colors cannot be printed and moire patterns may appear in textures and patterns. Another issue is banding coloured gradations since it is hard to print smooth transitions of color tones with AM screens.

Like all print buyers you would like your advertising, sales, marketing promotions to get impressive and attract lots of attention at a reasonable cost. You may well be surprised to understand the cost and turn-around times using FM screening technology is probably no more and might be less money then what you really are investing in conventional AM screen printing.

The next time your ready order printing in color ask your printing company what line screen they use and when they’ll use stochastic screens. Don’t be surprised should they never got word of it. Whenever they can’t you can buy good quality printing by obtaining a company that uses high-definition FM stochastic printing screen technology. When excellence can be obtained good is not enough.

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Chris Price