Patent ID: 7591545

Claim:
An inkjet printing device comprising: liquid application means including an application member for applying a liquid, which reacts with an ink, to a medium, and a retention member for retaining the liquid in contact with the application member, wherein the liquid application means applies the liquid retained in the retention member to the medium via the application member by rotating the application member; a recording head for ejecting the ink to the medium to which the liquid has been applied by the liquid application means; a first storage unit for storing the liquid; a passage which causes the first storage unit and the retention member to communicate with each other; a pump which circulates the liquid in a circulation channel including the first storage unit, the passage, and the retention member; and a second storage unit for storing the liquid to be supplied to the circulation channel, wherein the pump is provided along the passage and the liquid stored in the second storage unit is supplied to the circulation channel by the pump.