The Graphic Communication Institute (GRCI) is part of the Graphic Communication Department of the California Polytechnic State University, which was founded at the very beginning of the 20th century, i.e. in 1901. GRCI has a professional laboratory which it uses, among other activities, as a printer consumables testing facility. The scope of the tests conducted included the following attributes: optical density, dot roundness, line raggedness, mottle, ghosting, background noise, adhesion, and paper curl.