A first acquisition section that acquires first information unique to the liquid discharge head and second information related to the liquid discharge device is included. A determination section that determines whether or not correspondence relationship between the first information and the second information is stored in the server in advance is included in the server. A second transmission section that transmits third information related to a determination result of the determination section from the server is included. A second reception section that receives the third information is included. A first notification section that makes, based on the third information, a first notification to outside is included.