A terminal device is connected to a printing device on which a medium storage body accommodating a print medium is mounted. The printing device performs desired printings with using different types of the print media, and prepares a plurality of print labels which are laid and pasted in a thickness direction of the print labels to constitute a print label body. The terminal device receives a color-code setting for each of a plurality of regions provided on the print label body, determines a color setting on each of the plurality of print labels so as to realize a color-coding on the print label body corresponding to the received color-code setting, and displays, on a display unit of the terminal device, the determined color setting on the plurality of print labels.