Patent ID: 7899381

Claim:
An image formation apparatus comprising: a developer retaining member that retains a liquid developer that contains toner particle and carrier liquid; a roller member that is brought into contact with the developer retaining member at a position and distanced from the developer retaining member at another position; a cleaning blade that has a contact edge that is in contact with the roller member and that cleans the roller member; and a supporting member that supports the cleaning blade, wherein the cleaning blade has a first plane that is supported by the supporting member or is opposite to a surface that is supported by the supporting member and further has a second plane, the first plane and the second plane forming the contact edge, an angle θ 1 that is formed by a virtual vertical plane and the second plane thereunder when the roller member is distanced from the developer retaining member is greater than zero degrees but not greater than ninety degrees (0°<θ 1 ≦90°), and an angle θ 2 that is formed by a virtual vertical plane and the second plane thereunder when the roller member is in contact with the developer retaining member is greater than the angle θ 1 (θ 2 >θ 1 ).