Patent ID: 7523073

Claim:
A method of charging for use of a facsimile apparatus, using an information processing unit provided therein, the method comprising the steps of: (a) the information processing unit obtaining a number of sheets of a multi-sheet document to be transmitted by facsimile transmission; (b) the information processing unit obtaining a transmission condition specified by a user; (c) the information processing unit calculating a charge for the facsimile transmission of the document using the obtained number of sheets of the document and a charge corresponding to the transmission condition; (d) the information processing unit calculating a charge for facsimile transmission of each of one or more numbers of sheets less than the obtained number of sheets using each of the one or more numbers of sheets and the charge corresponding to the transmission condition; (e) the information processing unit determining whether there is enough change, based on stored cash and user deposited cash, with respect to each of the charges calculated with respect to the obtained number of sheets and the one or more numbers of sheets; and (f) the information processing unit determining whether to authorize the facsimile transmission of the document based on a result of the determination of step (e), wherein the information processing unit stores data on the charge corresponding to the transmission condition for the facsimile transmission.