MECHANISM FOR CLEANING WASTE LIQUID FLOW PASSAGE, LIQUID JETTING APPARATUS, AND METHOD FOR CLEANING THE WASTE LIQUID FLOW PASSAGE

摘要

PROBLEM TO BE SOLVED: To provide a mechanism and method for cleaning a waste liquid flow passage, which can clean the waste liquid flow passage and can perform a maintenance operation and a cleaning operation simultaneously or sequentially in a liquid jetting apparatus.;SOLUTION: The mechanism for cleaning the waste liquid flow passage includes: a waste liquid-receiving device for receiving a waste liquid discharged from the liquid-jetting head; the waste liquid flow passage having one end connected to the waste liquid-receiving device and discharging the waste liquid received by the waste liquid-receiving device to the outside of the waste liquid-receiving device; waste liquid-controlling units provided in the waste liquid flow passage and controlling the flow of liquid in the waste liquid flow passage; a cleaning liquid flow passage connected to the waste liquid flow passage between the waste liquid-receiving device and the waste liquid-controlling unit and supplying a cleaning liquid to the waste liquid flow passage; cleaning liquid-controlling units provided in the cleaning liquid flow passage and controlling the flow of the cleaning liquid in the cleaning liquid flow passage; and a controller for independently controlling each of the waste liquid-controlling units and cleaning liquid-controlling units.;COPYRIGHT: (C)2012,JPO&INPIT