Image forming apparatus, billing processing method and non-transitory computer-readable medium encoded with billing processing program

A billing processing method that is executed in an image forming apparatus,

• the image forming apparatus comprising:
• a document scanner that scans a document;
• and
• an image former that forms an image, and
• the billing processing method including:
• a scan controlling step of executing a scan process of acquiring image data output by the document scanner that has scanned the document;
• an image formation controlling step of executing an image forming process of causing the image former to form an image of the image data;
• and
• a fee collecting step of executing a collection process of collecting a fee for the image forming process before the image forming process is executed, wherein
• the fee collecting step includes executing the collection process in order of output of the image data by the document scanner in the case where the plurality of documents are scanned successively by the document scanner.

A non-transitory computer-readable medium encoded with a billing processing program that is executed in a computer that controls an image forming apparatus including a document scanner that scans a document,

• the billing processing program causing the computer to execute:
• a scan controlling step of executing a scan process of acquiring image data output by the document scanner that has scanned the document;
• an image formation controlling step of executing an image forming process of causing the image former to form an image of the image data;
• and
• a fee collecting step of executing a collection process of collecting a fee for the image forming process before the image forming process is executed, wherein
• the fee collecting step includes executing the collection process in order of output of the image data by the document scanner in the case where the plurality of documents are scanned successively by the document scanner.