What is the difference between 4/0 and other color printing options? Print color options are written as two numbers separated by a slash, showing how many ink colors print on each side. The 4 stands for full-c… Read answer What does 4/4 ink color mean? 4/4 means full-color printing on both sides of the piece. The first 4 covers the front and the second 4 covers the back, with each 4 standin… Read answer What does 'color back and front' or 'color both sides' mean for pocket folders? For pocket folders, color back and front, also written as color both sides, means the outside of the folder prints in full color on both its… Read answer What is a Pantone (PMS) color? Pantone, short for the Pantone Matching System, is a library of pre-mixed spot-color inks, each identified by a unique number. Because every… Read answer What is a spot color? A spot color is a single premixed ink printed as its own layer, rather than being simulated from tiny CMYK dots. Because the ink is mixed to… Read answer What is process color? Process color is full-color printing created by combining the four CMYK inks, cyan, magenta, yellow, and black, in tiny overlapping dots. Yo… Read answer What is rich black? Rich black is a deeper, more saturated black made by printing cyan, magenta, and yellow underneath the black ink instead of using black alon… Read answer What is registration black? Registration black is a special swatch set to 100 percent of all four CMYK plates at once. It exists so that crop marks and registration mar… Read answer What is a halftone? A halftone reproduces smooth shades of tone using a pattern of dots that vary in size and spacing. Larger, denser dots read as darker areas … Read answer What is a moire pattern in printing? A moire is an unwanted grid or wavy interference pattern that shows up when halftone dot screens overlap at the wrong angles, or when an alr… Read answer What is dot gain? Dot gain is the natural tendency for halftone dots to print slightly larger than intended as ink spreads into the paper. The result is that … Read answer What is a color gamut? A color gamut is the full range of colors a device or process can reproduce. Every screen, printer, and ink set has its own gamut, and the d… Read answer What is total ink coverage (TAC)? Total Area Coverage, or TAC, is the sum of the four CMYK ink percentages in the darkest part of a file. It matters because too much ink cann… Read answer What is overprinting? Overprinting prints one ink directly on top of another instead of knocking out the area beneath it. Used on purpose it creates useful effect… Read answer What is a knockout in printing? A knockout removes the background ink wherever a foreground object sits, so the top color prints on bare paper instead of mixing with the in… Read answer What is trapping in prepress? Trapping slightly overlaps adjacent colors so that tiny registration shifts on press do not leave thin white gaps between them. It is a prep… Read answer What is a duotone? A duotone is an image printed with two inks, most often black plus one spot color, to add tonal depth or a stylized tint. It gives more rich… Read answer
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