| 摘要 |
An image forming apparatus analyzes a specified job to identify processing operations composing a process and a processing amount such as the number of copies and obtains unit prices set for the respective processing operations, from a charging map associated with a user who is an issuer of the job. By set documents being scanned, the number of documents are identified and charges are calculated based on the number of documents, the number of copies, and the obtained unit prices. The calculated charges are presented. When, at that stage, an instruction to perform the job is made, a copying process is performed. Then, after the copying process, charges are calculated based on the actual number of copies made and the unit prices.
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