A common-mode choke coil includes a magnetic core, external electrodes, first and second wires, and a magnetic top. Connector elements, are formed with one or more rod-gripping sockets arranged radially with respect to a hub. A first portion of the link couples to the solenoid, and a second portion of the link movably couples to the first profile of the cam. When the general affairs department issues a request of notification, a fact that the document data is registered is displayed on a panel of the MFP allocated to the sales department; thus, the sales department receives the notification.