Patent ID: 8005384

Claim:
A liquid developer collecting system, comprising: a photosensitive body that carries a latent image; a collection section that collects liquid developer from the photosensitive body; a storage section that stores liquid developer collected by the collection section; a concentration control unit that controls a concentration of liquid developer; a first feed unit that feeds liquid developer from the storage section to the concentration control unit; a disposal tank that stores waste liquid developer: a second feed unit that feeds liquid developer from the storage section to the disposal tank; a storage section liquid level sensor disposed in the storage section; a concentration control unit liquid level sensor disposed in the concentration control unit; a concentration sensor disposed in the concentration control unit; a distribution unit that distributes between the first feed unit and the second feed unit; and a control unit that controls the distribution unit based on at least one of data of the storage section liquid level sensor, data of the concentration control unit liquid level sensor, and data of the concentration sensor.