A printing service system is provided. A print terminal includes a data transmission and reception unit for transmitting and receiving image data to and from a server and a key input unit for inputting an address of a recipient authorized to print the image data. The server includes a data accumulation unit in which image data uploaded from the print terminal is accumulated for each ID, a code conversion unit for converting an ID and a password into a code, a mail output unit and a FAX output unit for transmitting the code to the address, and an image management unit for, when the print terminal returns the code to the ID and the password and transmits the ID and the password, performing authentication, reading the image data corresponding to the ID, and returning the image data to the print terminal.