Patent ID: 7896966
Filing Date: 2011-03-01
Classification: B41J

Abstract:
1. A liquid applying apparatus comprising: a liquid applying unit that includes an applying member for applying a liquid to a medium and a liquid holding member which contacts with said applying member to form a liquid holding space for holding the liquid in the liquid holding space, and that moves said applying member relatively to the medium to apply the liquid in the liquid holding space to the medium through said applying member; a storage portion for storing the liquid; a supply path for supplying the liquid from said storage portion to the liquid holding space; a recovery path for recovering the liquid from the liquid holding space to said storage portion; a circulation system having a pump provided at said recovery path to circulate the liquid in a flow path including said storage portion, said supply path, the liquid holding space and said recovery path during an applying operation of the liquid by said liquid applying unit, wherein a pump is not provided at said supply path; and a control unit that controls said circulation system to change a negative pressure in the liquid holding space which relates to a circulation speed of the liquid circulated by said circulation system so as to control an amount of the liquid applied by said liquid applying unit.