R.r. Donnelley and Sons Company

George A Alessi

Anthony V Moscato

Kent David Jayme

Theodore F Cyman, Jr

Paul Slagle

An ink supply unit and a method of supplying ink to a printhead are disclosed. The ink supply unit includes a lower ink reservoir, an upper ink reservoir, and a flow regulation apparatus. The upper ink reservoir is coupled to the lower ink reservoir. First and second fluid input ports are disposed on opposite sides of the flow regulation apparatus. A first fluid line and a second fluid line couple the first and the second input ports, respectively, with the upper ink reservoir, and a third fluid line is adapted to couple the flow regulation apparatus with a printhead.

System and method for supplying ink to an inkjet printhead

In a system and method for operating an ink supply to an inkjet cartridge, wherein the ink supply includes an ink reservoir and an ink tube, ink in the ink reservoir is coupled to ink in the ink tube. Ullage above the ink in the ink reservoir is coupled with ullage above the ink in the ink tube. Ink from the ink tube is supplied to the inkjet cartridge.

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Buffalo, NY, United States of America

George A Alessi