PURPOSE: To enable a person in charge of management to confirm the state of a resource even if he does not positively intend to grasp the state of the resource by outputting information related to the fault of a device or the shortage of a supplementary article from an output means as linking with one of processing, at least, among plural kinds of the processing the person in charge of the management executes necessarily during a period beginning at the start of operation and ending at the end of the operation.

CONSTITUTION: When power supply is turned on by a power switch 28, a CPU 10 executes the initialization of each device connected to the CPU 10 so as to turn it into an operation possible state. Subsequently, it executes the issuing operation of various kinds of certifiactes on the basis of the information a user inputs from a touch panel 14. Then, at the time of turning off the power switch 28, a maintenance picture is displayed necessarily so that the operation related to maintenance can be executed. Namely, even if the remaining quantity of toner or sheets of paper becomes small, this state can be surely known, and the management of the supplementray article by the person in charge of the management of an automatic certificate issuing machine is made easy.