Patent ID: 8376532
Filing Date: 2013-02-19
Classification: B41J

Abstract:
1. A bulk ink supply system comprising: a connector attachable to and detachable from an ink container and including an ink guiding path formed in the connector; an ink flow path connecting the ink guiding path and an inkjet head of the inkjet printer to supply an ink from the ink guiding path to the inkjet head; and an on-off valve to allow communication between the ink guiding path and the ink flow path when the ink container is attached to the connector and to hinder communication between the ink guiding path and the ink flow path when the ink container is detached from the connector, wherein the on-off valve includes wherein the pressing member includes wherein, when the ink container is detached from the connector, the protruding member presses the elastic membrane member using a force applied by the pressing device to hinder communication between the ink guiding path and the ink flow path, and wherein, when the ink container is attached to the connector, the ink-container attachment detector contacts with the ink container and moves in a direction where the ink container is attached to the connector against the force applied by the pressing device, and the protruding member is provided with respect to the elastic membrane member to allow communication between the ink guiding path and the ink flow path.