A print head has an ink slot and a sensing chamber having a first port connected to the fluid slot and a second port. The sensing chamber contains an ink level sensor. A recirculation passage extends from the fluid slot and is fluidly coupled to the second port. A fluid pump circulates fluid through the recirculation passage.
申请公布号
WO2016068954(A1)
申请公布日期
2016.05.06
申请号
WO2014US63214
申请日期
2014.10.30
申请人
HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P.
发明人
GOVYADINOV, ALEXANDER;GHOZEIL, ADAM L.;NG, BOON BING;LEONARD, PATRICK;CONNOLLY, RAYMOND