What is Prepress?
Prepress is a term used to describe the process used to make a document ready for print in any environment.
screening (eg. with photographs)
copyediting
type (kerning, widows, orphans)
proofreading (spelling, page layout, document size, bleeds, gripper edge)
retouching (modify or correct photographic images)
imposition (layout of pages so that after folding, collating, printing and trimming they all end up in the correct order and right way up)
trapping ( creating an overlap between areas to compensate for any misregistration)
color separation (make sure colors separate properly) and that your using proper colors if requires spot, cmyk or special pantone.
In other words there are things that need to be done to get a file printed, either through laser or digital printing format. Proofreading, editing, layout, scanning and color separation are the major ones. Which should all be done before you send your files to the printer.
Once you have gone through all of the steps a plate is created then a proof. The proof will be checked by prepress technician or you may also request to see it.
Color is the perceptual characteristic of light described by color. Colors can be mixed in any color ink you like, you will just be charged for the cost of the special ink. An additional color used in your design is called a flat color, match color or most commonly the spot color. PANTONE MATCHING SYSTEM (PMS): The pantone matching system is an industry-standard with a collection of over 1000 colors that printers use. The easiest way to specify a color to the printer is to give the Pantone number. CMYK: Cyan, Magenta, Yellow, Black. CMYK is a subtractive color model used in color printing, and works through light absorption. RGB: is another system of defining color. Comes from three primary colors, Red, Green and Blue. RGB is commonly used for the display of colors on a television or computer's moniter. Each pixel on the screen can be represented in the computer or interface hardware (eg. a graphics card) as values for red, green and blue. These values are converted into i
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