The air communication portion has an inner peripheral wall defining an air passage, and {HEAD ~ a communication port} for allowing communication between {TAIL ~ an ink chamber} and the air passage 
The air communication portion has an inner peripheral wall defining an air passage , and { HEAD ~ a communication port } for allowing communication between { TAIL ~ an ink chamber } and the air passage
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH