A printhead assembly includes {HEAD ~ a substrate} that defines a plurality of {TAIL ~ fluid inlet conduits} 
A printhead assembly includes { HEAD ~ a substrate } that defines a plurality of { TAIL ~ fluid inlet conduits }
OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL