One of the most important decisions you have to make about a print job is how many colors to print. You need to know how many colors you can work with before you start creating images and laying out text and graphics.
This decision is based on which type of color inks you plan to use: process, spot, or both.
The number of colors on a printing press refers to how many inks are applied to the paper. It might be a full-color job, but it’s printed (as you learned in Chapter 9) with four inks. Each ink counts as a color. As a general rule, the more colors in the document, the more it costs to print.
One-color printing is the cheapest type of printing you can get. ...