Patent ID: 7742184

Claim:
A data transmission/reception system, comprising: an image-forming device having a storage device, the image-forming device receiving image data to form an image based on the image data on a recording medium; a data transmitter that transmits image data to the image-forming device via a data transmission network and then transmits a notification message via a mail communication network, the image data being transmitted to the image-forming device without having a password, the notification message indicating that the image data has been transmitted to the image-forming device and the image-forming device is waiting for instructions whether to form an image based on the image data; and a communication terminal that provides a plurality of optional processes to be selected, the plurality of processes including at least two of an image-forming process that forms an image based on the image data, a data deletion process that deletes the image data from the storage device, and a data forwarding process that forwards the image data to another image-forming device, wherein the communication terminal receives the notification message and, in response to the notification message, issues the instructions whether to form an image based on the image data by selecting one of the provided plurality of processes for the image-forming device, the communication terminal transmits the instructions to the image forming device via a command communication network and the image-forming device executes the process selected by the instructions without requiring entry of the password.