An image generation-output control apparatus in an image processing system for controlling an image generation and output operation based on an instruction received from a server in the image processing system. The image generation-output control apparatus includes second circuitry including a plurality of second image drawing information generators, each having one or more capabilities compatible with one or more capabilities of a first image drawing information generator of a first circuitry of the server, to generate second image drawing information based on output target image information acquired from the server, an identifying unit to identify generator identification information used for identifying one of the plurality of second image drawing information generators, an identification information unit including the generator identification information associated with one of the plurality of the second image drawing information generators, and the identifying unit, and an identification information manager to manage the generator identification information.