Patent ID: 8057025

Claim:
An inkjet head comprising: a main-body block comprising a reservoir configured to store ink; an ink supply port configured to supply the ink to the reservoir; and a plurality of nozzles in fluid communication with the reservoir via an ink flow path; a supply valve mechanism attached to the main-body block and configured to selectively set the ink supply port in one of a sealed state and an open state; and an attachment unit configured to be removably attached to the main-body block and comprising a supply channel configured to supply the ink to the ink supply port, wherein a portion of the attachment unit separates from the supply valve mechanism and the supply valve mechanism sets the ink supply port in the sealed state when the attachment unit is detached from the main-body block, and the portion of the attachment contacts the supply valve mechanism and the supply valve mechanism sets the ink supply port in the open state when the attachment unit is attached to the main-body block.