1. An image forming system comprising: an image forming apparatus connected to a network; and a server connected to the network, the image forming apparatus including: a display configured to display a panel image; and a template code/character data feeder configured to feed a template code corresponding to a template image included in the panel image and character data included in the panel image to the server, the server including: a template code/character data acquirer configured to acquire, from the image forming apparatus, the template code corresponding to the template image included in the panel image and the character data included in the panel image; and a panel image generator configured to read, from a storage configured to store a template image, the template image corresponding to the template code and to generate the panel image by combining together the template image read and the character data acquired from the image forming apparatus.