BRIEF DESCRIPTION OF THE DRAWINGS
Other objects and advantages of the present invention will become apparent upon reading the following detailed description and upon reference to the drawings in which:
FIG. 1 shows a configuration of a system including an image processing apparatus embodied in the present invention;
FIG. 2 shows a block diagram indicating a rough configuration of an image processing apparatus embodied in the present invention;
FIG. 3 shows an exemplified selecting screen for selecting a control program to be downloaded for every function;
FIG. 4(
a), FIG. 4(b), FIG. 4(c), show data structures of data sets to be stored in a ROM, a nonvolatile storage and a DRAM;
FIG. 5 shows a flowchart of operations for accumulating downloading times in order to charge an account fee for every predetermined time period;
FIG. 6 shows a flowchart of operations for limiting a number of downloading times within a predetermined time period to charge an account fee established in advance; and
FIG. 7 shows a flowchart of operations for charging an account fee corresponding to a number of function uses.