Patent ID: 7742715

Claim:
A charging system comprising at least one image forming apparatus and an information processing device for managing a charging processing on the image forming apparatus, the image forming apparatus and the information processing device being connected via a network, wherein the image forming apparatus has a trouble detecting portion that detects a trouble occurring on the image forming apparatus, and a use condition transmitting portion that transmits a total number of output papers outputted from the image forming apparatus and contents of the trouble detected by the trouble detecting portion to the information processing device, the total number and the contents of trouble being transmitted as a use condition of the image forming apparatus, and wherein the information processing device has a charge calculating portion that calculates a total amount of service charge on the basis of the total number of output papers transmitted from the image forming apparatus and an amount of deduction corresponding to the contents of trouble transmitted from the image forming apparatus, and that deducts the amount of deduction from the total amount of service charge to calculate an amount of charge on the image forming apparatus, wherein the amount of deduction is an amount that is calculated by adding up an amount of deduction per trouble for every contents of trouble, the amount of deduction per trouble being obtained by multiplying a frequency of each type of trouble occurred on the image forming apparatus by an amount corresponding to contents of each trouble.