| 摘要 |
According to this invention, when executing an application corresponding to a service provided by a copier, the application calls a function prepared in the multi-functional peripheral in correspondence with the service. After calling the function, a charge monitoring layer operates a charge information table (S501), and determines whether to charge a user for the function (S502). If the user is charged for the function, the charge monitoring layer acquires charge information and displays a fee request window (S503). After the user pays the fee, the application executes the function (S504).
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