Printhead ink delivery system with two pairs of locating formations

摘要

An ink delivery system is provided for delivering ink to a plurality of printhead modules. The ink delivery system includes a channel structure defining a channel and a first pair of locating formations on either side of the channel. A printhead module location molding defines both a bight configured to receive the channel structure and a second pair of locating formations which form a complementary fastening arrangement with the first locating formations. An ink delivery extrusion is configured to be located within the channel and defines a plurality of internal ink channels. The extrusion further defines a plurality of groups of holes for engaging with respective printhead modules. The holes of each group extend from respective ink channels. An endcap is configured to cap the ink channels at an end of the ink delivery extrusion.