Patent ID: 8936356
Filing Date: 2015-01-20
Classification: B41J

Abstract:
1. A printing apparatus comprising: an ink storage unit; a print head unit that includes an ink reception port which receives ink supplied from the ink storage unit, an ink storage chamber in communication with the ink reception port to thereby receive the ink from the ink reception port, an ink discharging device which performs ink discharge on a printing medium using a first portion of the supplied ink stored in the ink storage chamber, and an ink exhaust port which exhausts a second portion of the ink from the ink storage chamber which is not used for the ink discharge among the supplied ink; an ink return path that is connected to the ink exhaust port, and returns the ink which is exhausted from the ink exhaust port to the ink storage unit; and a cooling device that is arranged in the ink return path, and cools ink which passes through the ink return path.