Patent ID: 7650850

Claim:
An ink jet printing apparatus comprising: a liquid applying unit comprising an applying member that applies to a medium a liquid which can react with an ink, a holding member, which includes an abutting member that continuously abuts against the applying member to form a liquid holding space to hold the liquid, and a biasing member which biases the abutting member against the applying member, the liquid applying unit applies the liquid held in the liquid holding space to the medium by rotating the applying member; a printing unit that performs a printing operation for printing an image by ejecting the ink onto the medium to which the liquid has been applied by the liquid applying unit; a storage unit that stores the liquid; a first path for connecting the holding member and the storage unit to supply the liquid to the liquid holding space from the storage unit; a second path for connecting the holding member and the storage unit to return the liquid from the liquid holding space to the storage unit; and a liquid moving unit, located in the second path, to generate a flow of the liquid in the first path, the liquid holding space, and the second path.