A developer recovery container includes a first room that stores a recovered developer; a plurality of linearly obliquely arranged recovery ports facing the first room, a developer removed by a cleaning unit for an intermediate transfer unit and a developer removed by a cleaning unit for a black-image bearing member being dropped in the first room respectively through top one and bottom one of the recovery ports; a second room formed below an area between one of the recovery ports located next to the top recovery port and another recovery port located next to the one recovery port, the developer flowing from the first room to the second room; a conveying unit that conveys the developer in the first room to the second room by a quantity of the developer exceeding a storage limit of the first room; and a sensor that detects the developer in the second room.