Patent ID: 8156020

Claim:
A charge managing system, comprising: an image forming apparatus including a plurality of applications each configured to execute a specific process on input data, an output determination unit configured to determine whether an output of plural result items of the input data is completed, a counter unit configured to count a number of the plural result items output as a result of executing at least one of the applications after the output determination unit has determined that the output of all the plural result items is completed, a count value storage unit configured to store a count value corresponding to the number of plural result items counted by the counter unit, and a storage area setting unit configured to secure a plurality of storage areas within the count value storage unit, each of the storage areas configured to store a corresponding count value obtained for each of the applications, wherein the counter unit updates the count value of the count value storage unit by reading the count value from the count value storage unit, by adding the number of the plural result items counted to the read count value to generate a cumulative count value, and by storing the cumulative count value to the count value storage unit; and a charge managing server configured to manage charging a fee for using the image forming apparatus based on the corresponding cumulative count value stored in each of the storage areas secured for each of the applications.