INK REFILL UNIT WITH INCREMENTAL INK EJECTION ACCUATED BY PRINT CARTRIDGE CRADLE

摘要

An ink refill unit for a print cartridge is provided. The unit includes a housing which defines a fluid path in fluid communication with an outlet. The unit also includes an ink reservoir having an ejection port arranged in fluid communication with the fluid path inside the housing, and an ejector assembly configured to incrementally eject ink from the reservoir when the assembly is actuated by the print cartridge. The housing defines an aperture via which the print cartridge actuates the ejector assembly.