Patent ID: 7452065
Filing Date: 2008-11-18
Classification: B41J

Abstract:
1. An ink jet printer comprising: a carriage movable on a body frame, including at least one printing head that prints data on a printing medium by jetting ink through a nozzle; an ink tank that stores the ink to be supplied to a printing head; and an ink path that supplies the ink from the ink tank to the printing head, wherein the carriage has a bubble collecting chamber that collects bubbles produced in the ink path, a discharge path which is communicated with the bubble collecting chamber, and an opening and closing valve which is arranged in the discharge path and is normally closed, and wherein the body frame has an opening and closing member for opening and closing the opening and closing valve, a discharge cap which can be brought into tight contact with the carriage to close an outlet of the discharge path so that an airtight space communicated with the outlet is defined between the discharge cap and the carriage, and a suction member that sucks air from the airtight space; wherein the opening and the closing member is movable with respect to the discharge cap.