Patent ID: 8256876
Filing Date: 2012-09-04
Classification: B41J

Abstract:
1. A printhead frame for an inkjet printhead assembly, the printhead frame comprising: (a) a holding receptacle for at least one replaceable ink tank, the holding receptacle including a plurality of ink inlet ports disposed on a first wall; (b) a plurality of ink chambers corresponding to the plurality of ink inlet ports, wherein at least a first ink chamber is adjacent the first wall and is directly opposite a first ink inlet port, a second ink chamber is not adjacent the first wall, and the first wall includes a first hole to fluidly connect the first ink inlet port and the first ink chamber; and (c) a second wall adjoining the first wall and forming a part of the second ink chamber, the second wall including a first groove; wherein the first wall includes a second hole to fluidly connect a second ink inlet port and the first groove; and wherein the second wall includes a first hole to fluidly connect the second ink chamber and the first groove.