An image processing system includes: an image processor having an image print function; and a server part, wherein the image processing system is connectable to a display part that displays a screen, and the server part determines whether acquisition of request information to be requested for printing is necessary, on the basis of a print mode of a print job, and generates a first screen for receiving a user operation for inputting the request information as the screen when the acquisition is necessary and generates a second screen different from the first screen when the acquisition is unnecessary.