| 摘要 |
A printhead includes a substrate that defines a plurality of ink inlet conduits. A plurality of nozzle assemblies is positioned on the substrate. Each nozzle assembly defines a nozzle chamber in fluid communication with a respective ink inlet conduit and a nozzle opening from which ink is ejected. A plurality of alignment formations is positioned on the substrate to extend from the substrate. A guard member is positioned on the substrate and spaced from the nozzle assemblies. The guard member defines a plurality of apertures that correspond with respective nozzle openings. A plurality of struts is positioned on the guard member and is engageable with respective alignment formations. The struts and the alignment formations are positioned so that, when each strut engages an alignment formation, the apertures are aligned with respective nozzle openings.
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