An image processing system includes: a relay apparatus; a service providing apparatus for an electronic-file storing service; and an image processing apparatus, which are connected to a network. The image processing apparatus includes: a first-address-get-request transmitting unit that transmits a request for getting a first address representing a location of an electronic file to be downloaded from the service providing apparatus to the relay apparatus; a first downloading unit which, upon receiving the first address from the relay apparatus after the request for getting the first address is transmitted, downloads the electronic file stored at the first address; and a storage control unit that controls a storage unit to store the electronic file downloaded by the first downloading unit. The relay apparatus includes: a first-address-get-program storage unit; a first-address getting unit; and a first-address transmitting unit.