Pre-aligned optical layers are stacked and arranged such that an adhesive layer, which is stacked onto the optical layers, contacts at least the uppermost layer and lowermost layer. The call center services inmate calls and coordinates inmate purchases of goods and services. As a result, color correction mode-adapted LUTs, stored color correction LUTs, and light source correction LUTs needed for the common color correction unit do not increase even if the models of color printers increase, and common LUTs can be used. The blend may be extruded into sheets and thermoformed to produce packaging material. The external connection terminal fixing structure of the mobile terminal device consists of external connection terminals which are fixed to the printed circuit board and charge terminals overlapped with the external connection terminals.