An image forming apparatus includes an opening-closing lid for opening and closing an opening portion formed in an apparatus main body; a detection unit for detecting an open state of the opening-closing lid; an execution unit for executing a specific operation; a main power source for supplying power to the execution unit; a retaining unit for retaining an open history indicating the open state of the opening-closing lid when the detection unit detects the open state of the opening-closing lid during a period of time when the main power source does not supply power to the execution unit; and a determining unit for determining whether the execution unit executes the specific operation according to the open history retained in the retaining unit when the main power source starts supplying power to the execution unit.