Trapping into a Rich Black
9.15 Due to misregistration, the other colors present in the rich black can be seen around the edges of the white lettering.
9.16 The result when the cyan, magenta, and yellow all hold a “spread” image of the type, which has been expanded (hence “spread”) so that its shape is pushed away from the edges of the type shown in the black plate. This is known as a “hold-back” setting.
The greatest difficulty arising from the use of a rich black is in trapping with other elements. As an example, imagine a brochure that has a ...