| 摘要 |
PROBLEM TO BE SOLVED: To more effectively utilize a structure for absorbing pressure fluctuation of a sub tank. SOLUTION: A damper control section 54 drives a piezoelectric actuator 47 for a damper so as to suppress the pressure fluctuation in an ink storing chamber 23 in the case of a printing mode for discharging ink by a pressure provided by an actuator 42 for discharging, and drives the piezoelectric actuator 47 for the damper so as to feed ink in the ink storing chamber 23 to an inkjet head 40 in the case of a purge mode for forcibly discharging ink in the inkjet head 40 as a waste liquid. COPYRIGHT: (C)2009,JPO&INPIT |
