Ink supply system with float valve chamber

摘要

An ink supply system for supplying ink to an inkjet printhead at a predetermined hydrostatic pressure, the ink supply system comprising: a pressure-regulating chamber having an outlet port connected to an ink inlet of the printhead, the chamber comprising a float valve configured for maintaining a predetermined level of ink in the chamber, the level of ink controlling the hydrostatic pressure; and an ink reservoir connected to an inlet port of the pressure-regulating chamber, the ink reservoir being positioned above the predetermined level of ink.