3D models and product prototypes are about communication, and nothing communicates better than color. Color dramatically communicates engineering product designs, vividly renders architectural designs, and even brings animated characters into the real world.
Other 3D printers billing themselves as color capable are in fact monochrome machines that can only print one color at a time, requiring the user to laboriously assemble various monochrome parts into something that resembles a full color model.
The ZPrinter 450 performs most operations automatically so you don't have to, and it simplifies the rest