| 摘要 |
A method of printing including providing an ink delivery system including a print head in fluid communication between a first tank and a second tank; and providing a pressure differential across the print head to cause ink to flow from the print head. With embodiments of the method, ink can be controllably dispensed from the print head at substantially the same velocity irrespective of the orientation of the print head with respect to the direction of the force of gravity.
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