Standard Black & White: Ideal for text-heavy content with a limited number of images, graphs, or illustrations that have low to moderate ink coverage.Premium Black & White: Ideal for text-heavy content featuring multiple images, graphs, or illustrations with moderate to heavy ink coverage.Standard Color: Ideal for text-heavy content with a few color images, graphs, or illustrations that have low to moderate ink coverage.Premium Color: Ideal for image-heavy content with heavy ink coverage on the pages.