| 摘要 |
<P>PROBLEM TO BE SOLVED: To prevent the occurrence of satellite without damaging the stability of discharging a main liquid droplet. <P>SOLUTION: A method of driving an ink jet head includes: applying a first pulse for expanding a volume of a pressure chamber for receiving ink to an actuator for applying oscillation to the pressure chamber; and applying a second pulse for reducing the volume of the pressure chamber to the actuator, immediately before ink drops discharged from a nozzle communicating with the pressure chamber are separated from the nozzle. <P>COPYRIGHT: (C)2013,JPO&INPIT |
