Electrical connection grounding grid array printhead as flexible circuit electrically isolated

A set of print head (100) for a printing device inkjet, comprising: an array (104) of printhead comprising: a substrate (202); a first ground network (206) electrically connected the substrate (202), a layer (302) device; a second ground network (212) electrically connected to the layer (302) devices, where laprimera ground network (206) and the second ground network (212 ) they are electrically isolated from each other within lamatriz printhead; and a flexible circuit (106) connected to the array (104) of printhead, wherein the first detierra network (206) and the second ground network (212) are electrically connected on the flexible circuit (106).