Overprinting and trapping
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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 presence of overprinting errors creates a white gap between adjacent patches of print, ie, whitening. Leakage not only affects the beauty of printed matter, but also causes quality problems and conflicts with customers. Therefore, the trapping and imprint design should be checked before output.
Trap, also known as trapping, traps the principle of creating a common color boundary between colors that have no common color or a small amount of common color. This method can effectively avoid the whitening of the overprinting error. The graphic design and typesetting software in the desktop publishing system generally have a trapping function.
Embossing, also known as overprinting, embossing means that the underlying color is not hollowed out, and the color above is superimposed on the background. Setting overprinting is also an effective means of preventing whiteout.
Good design often requires good output. Here, the dog should remind everyone to design the same design. Please carefully compare the design to make it perfect!