A CPU of an MFP executes a program including: a step of receiving information collecting combinations of functions set by a user using an MFP connected to a network from a server computer and storing the information in a function combination management table; a step of reading the function combination management table when a function selected in an MFP is established; a step of displaying three functions of higher priority that are combined with high frequency with the established function, as recommendations; and a step of transmitting, when a job is completed, the combination of selected functions to the server computer, as a job ending process.