Overprint and trap
Color printing is generally four-color overprinting. Under high-speed rotation of the printing machine, overprinting errors caused by mechanical or operational reasons are inevitable. The existence of overprint error will produce a white gap between the adjacent color blocks of the printed product, that is, white leakage. Leakage not only affects the beauty of the printed matter, but also easily causes quality problems and conflicts with customers. Therefore, the trapping and embossing design should be checked before output.
Trap, also known as trapping trap, the principle of trapping is to create a common color boundary between colors that have no common color or less common color content. This method can effectively avoid the leakage of overprint errors. The graphic design and typesetting software in the desktop publishing system generally have a trapping function.
Embossing, also known as overprinting, imprinting means that the bottom color is not hollow, and the color above is stacked on the background color. Setting overprints is also an effective means of preventing leaks.
Good design often requires good output. Here, Doggo reminds everyone of your design colleagues. Please complete the design carefully to make it perfect!
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