In an image processing system, an interactive message is transmitted and received between an information processing apparatus and a chatbot server, job setting information is generated, image data and the job setting information are stored in a storage on a network in association with job identification information, a QR code generated from the job identification information is displayed on a screen of the information processing apparatus, an image forming apparatus is caused to read the QR code and to convert the QR code to job identification information, and the image data and the job setting information associated with the job identification information are transmitted from the storage to the image forming apparatus via the management server.