A management device for managing a device has: a control unit including: a status acquiring unit that acquires a status of the device; and a notifying unit that, if the device is in a specific status, notifies information about the specific status to another device; and a first management screen supply unit supplying first management screen data to a display unit, wherein the control unit determines whether a notifying function of the notifying unit is valid or invalid, if the notifying function is valid, the control unit controls the status acquiring unit to periodically acquire the status of the device regardless of whether the first management screen supply unit starts up, and if the notifying function is invalid, the control unit controls the status acquiring unit to acquire the status of the device when the first management screen supply unit starts up in response to an instruction from a user.