An image processing system includes a server to control a plurality of processes performable in the image processing system, a first image forming apparatus communicable with the server, and a second image forming apparatus communicable with the server. The server includes a first memory to store first image processing data, and a first processor to generate first image drawing information based on the first image processing data. The second image forming apparatus includes a second memory to store second image processing data, a second processor to generate second image drawing information based on the second image processing data, and a print engine to perform the image forming operation of the second image forming apparatus based on the second image drawing information.