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