A printhead assembly 1, in which a plurality of containment walls are interposed between the substrate and {HEAD ~ the guard member} to define {TAIL ~ a plurality} of containment chambers, at least one nozzle assembly being positioned in each containment chamber, the containment walls being of substantially the same material as the guard member and the substrate 
to define
A printhead assembly 1 , in which a plurality of containment walls are interposed between the substrate and { HEAD ~ the guard member } to define { TAIL ~ a plurality } of containment chambers , at least one nozzle assembly being positioned in each containment chamber , the containment walls being of substantially the same material as the guard member and the substrate
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH