To print color, you should take grey- an area where light dark color. The color should change easily, and the progress you should have, do not have any color belt, where the different black bands of dark black light on a test page, you will not see the slopes bar gradually through the dark color; the white goes.
Even the shadow of the shadow transition, finding a good balance of digital printing and with colors – it is something that is too saturated and flat and washed. A good photo print color should be accurate and balanced, vivid, but not sensitive. All areas with good information should not exist, without chain lines, or pixels, or any other visual items.