Patent ID: 7568795
Filing Date: 2009-08-04
Classification: B41J

Abstract:
1. An ink umbilical assembly for transporting ink to a pair of print heads comprising: a first plurality of conduits, each conduit in the first plurality having a first end and a second end; a second plurality of conduits, each conduit in the second plurality having a first end and a second end; a first heater having a first side and a second side, the first plurality of conduits being coupled to the first side of the heater and the second plurality of conduits being coupled to the second side of the heater so the heater generates heat for ink being carried between the first and the second ends of the first plurality and the second plurality of conduits; a third plurality of conduits, each conduit in the third plurality having an inlet and each inlet is coupled to only one of the reservoirs and each of the reservoirs are coupled to one of the conduit inlets in the third plurality of conduits; a fourth plurality of conduits, each conduit in the fourth plurality having an inlet and each inlet is coupled to only one of the reservoirs and each of the reservoirs are coupled to one of the conduit inlets in the fourth plurality of conduits; and a second heater having a first side and a second side, the third plurality of conduits being coupled to the first side of the second heater and the fourth plurality of conduits being coupled to the second side of the second heater so the second heater generates heat for ink being carried between the first and the second ends of the third plurality and the fourth plurality of conduits.