INKJET PRINTER WITH SELECTIVELY ISOLATABLE PUMP

摘要

An inkjet printer that has a printhead for printing onto a media substrate, a reservoir for supplying ink to the print-head, a pump for drawing ink from the reservoir and pumping ink into the printhead and, a valve arrangement for selectively opening fluid communication between the pump and the printhead, and closing fluid communication between the pump and the printhead while opening fluid communication between the reservoir and the printhead.