BRIEF DESCRIPTION OF THE DRAWINGS
FIG. 1 shows a configuration example of an image forming system according to a first embodiment.
FIG. 2 is a block diagram showing a configuration example of an image forming apparatus.
FIG. 3 is a block diagram showing a configuration example of a print controller.
FIG. 4 shows one example of original data in the image forming apparatus.
FIG. 5 shows one example of user-defined data in the image forming apparatus.
FIG. 6 shows one example of paper data in the print controller.
FIG. 7A is a flowchart showing a process of updating (registering/changing) paper information in the image forming apparatus.
FIG. 7B is a flowchart for describing a process in which the print controller reflects an update of paper information in the image forming apparatus.
FIG. 8 is a flowchart for describing a process when paper information from the print controller is registered.
FIG. 9 is a flowchart for describing a process when paper information in the print controller is changed.
FIG. 10 is a diagram for describing a process when a job is inputted.
FIG. 11 is a diagram for describing a backup process according to the first embodiment.
FIG. 12 is a flowchart showing a restore process when the print controller is replaced.
FIG. 13 is a flowchart showing a restore process when the image forming apparatus is replaced.
FIG. 14 is a diagram for describing a backup process according to a second embodiment.
FIG. 15 shows an example of information targeted for backup processing in a fourth embodiment.
FIG. 16 is a diagram for describing a backup process according to the fourth embodiment.
FIG. 17 is a diagram for describing a backup process according to a fifth embodiment.
FIGS. 18A to 18C are diagrams for describing elimination of duplicated IDs in the image forming apparatus during a restore process at a time of replacing a print controller.
FIGS. 19A to 19C are diagrams for describing elimination of duplicated IDs in the image forming apparatus during a restore process at a time of replacing an image forming apparatus.