Patent ID: 8370538

Claim:
A communication system comprising: a peripheral apparatus; and a data processing apparatus configured to make a request for processing to the peripheral apparatus, wherein the peripheral apparatus comprises: a changing unit configured to change state identification information representing a state of the peripheral apparatus, the state identification information being in a changed state if the peripheral apparatus is continuously in a predetermined state for a certain period and the state identification information being in an unchanged state if the peripheral apparatus is not continuously in the predetermined state for the certain period; a sending unit configured to send status information to the data processing apparatus, if the state identification information is in the changed state as changed by the changing unit; and a setting unit configured to set the certain period to be shorter than a predetermined display time based on information concerning the predetermined display time being included in a request from the data processing apparatus; wherein the data processing apparatus comprises: a receiving unit configured to receive, from the peripheral apparatus, the status information based on the change of state identification information representing the state of the peripheral apparatus; and a displaying unit configured to display, if the status information is received by the receiving unit, information about the state of the peripheral apparatus based on the received status information, on a display device, for a predetermined display time, wherein the certain period is shorter than the predetermined display time.