Patent ID: 8033650

Claim:
A paired drop ejector comprising: a chamber having a first wall and a second wall opposite the first wall and a dividing wall disposed between the first and second wall; wherein the first and second wall include a first length and the dividing wall includes a second length less than the first length in which the dividing wall forms first and second portions of the chamber; wherein the chamber includes an open end disposed proximate to an ink feed passageway and a closed end of the chamber disposed distal to the ink feed passageway; a plurality of nozzles; a first heater disposed in the first portion of the chamber in fluid relation with a first nozzle of the plurality of nozzles in which the first heater provides thermal energy to eject a droplet of ink through the first nozzle; a second heater disposed in the second portion of the chamber in fluid relation with a second nozzle of the plurality of nozzles in which the second heater provides thermal energy to eject a droplet of ink through the second nozzle; and a nozzle plate having a vent hole, different from the plurality of nozzles, for venting air from the chamber, disposed proximate the closed end of the chamber and spaced apart from the plurality of nozzles.