Patent ID: 8025372
Filing Date: 2011-09-27
Classification: B41J

Abstract:
1. An ink jet printer, comprising: a casing comprising a space for housing a main ink tank; a sub ink tank to which ink within the main ink tank is to be supplied; an ink jet head to which ink within the sub ink tank is to be supplied; a main ink tank side connector that is to be connected with the main ink tank; a sub ink tank side connector that is to be connected with the sub ink tank, wherein the main ink tank side connector is capable of moving with respect to the sub ink tank side connector between a first positional relationship and a second positional relationship, the main ink tank side connector is connected with the sub ink tank side connector in the first positional relationship, and the main ink tank side connector is disconnected from the sub ink tank side connector in the second positional relationship; a wall member that surrounds at least a connection portion of the main ink tank side connector and the sub ink tank side connector when the main ink tank side connector and the sub ink tank side connector are positioned in the first positional relationship; and a breaking portion, formed in or on the wall member, that breaks an ink film to be formed within an inner space of the wall member, wherein the ink film is to be formed when the main ink tank side connector moves with respect to the sub ink tank side connector from the first positional relationship to the second positional relationship, and the breaking portion breaks the ink film in a state where at least a part of the ink film exists within the wall member; wherein the breaking portion is configured to break the ink film when the main ink tank side connector moves with respect to the sub ink tank side connector from the first positional relationship to the second positional relationship.