A printhead assembly 1, in which {HEAD ~ a plurality} of containment walls are interposed between {TAIL ~ the substrate} and the guard member to define 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 
A printhead assembly 1 , in which { HEAD ~ a plurality } of containment walls are interposed between { TAIL ~ the substrate } and the guard member to define 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 HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH REL 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 OTH OTH OTH OTH OTH OTH OTH OTH