| 摘要 |
An electrophotographic copying machine having a control unit is provided. The control unit comprises: a counting unit for counting the number of copies made by the copying machine; an identifier receiving unit for receiving a first identifier and a second identifier; an allowing unit for determining, after the identifier receiving unit has received the first identifier, whether a copying operation using the copying machine should be allowed under the first identifier; a judging unit for judging, after the allowing unit has allowed the start of a copying operation, whether the identifier receiving unit has received the second identifier; and a storage unit for storing the number of copies made under the second identifier after the judgement, if the judging unit has judged that the identifier receiving unit has received the second identifier, and the number of copies made under the first identifier after the judgement, if the judging unit has judged that the identifier receiving unit has not received the second identifier. |
