Patent ID: 7603189

Claim:
An image forming system comprising an image forming apparatus and an operation terminal configured to communicate with the image forming apparatus and remotely operate the image forming apparatus, wherein: the operation terminal comprises: a first display section configured to display a remote operation screen; a first display control section which controls the first display section based on remote operation screen data received from the image forming apparatus, for displaying a remote operation screen including content of a main operation screen of the image forming apparatus; an operation input section to input operation information for remotely operating the image forming apparatus; and a first transmission section which transmits the operation information inputted through the operation input section to the image forming apparatus; the image forming apparatus comprises: a second display section configured to display a main operation screen; a memory section which stores main operation screen data for displaying the main operation screen, alternate screen data for displaying an alternate screen different from the main operation screen, and remote operation screen data for displaying the remote operation screen including content of the main operation screen of the image forming apparatus; a control section which updates the main operation screen data based on the operation information received from the operation terminal to generate undated main operation screen data, and updates the remote operation screen data according to the undated main operation screen data to generate updated remote operation screen data; a second display control section which generates an undated main operation screen based on the undated main operation screen data, for displaying on the second display section; and a second transmission section which transmits the undated remote operation screen data to the operation terminal, for displaying the undated remote operation screen on the first display section; wherein the second display control section determines whether the undated main operation screen is a screen prohibited from display on the second display section; wherein, when the updated main operation screen is a screen prohibited from display on the second display section, the second display control section displays the alternate screen on the second display section based on the alternate screen data; and wherein, when the updated main operation screen is not a screen prohibited from display on the second display section, the second display control section displays an updated main operation screen on the second display section based on the updated main operation screen data.