Patent ID: 6634742
Filing Date: 2003-10-21
Classification: B41J

Abstract:
A recording unit comprising:a cartridge holder adapted to replaceably mount at least one ink cartridge defining a plurality of ink chambers; a recording head, for ejecting ink in response to activation of a pressure generating element; a plurality of ink flow paths through which ink in the ink chambers is supplied to the recording head, respectively, each of the ink flow paths including a first communication path communicated with an ink outlet of the corresponding ink chamber, a second communication path communicated with a corresponding ink inlet of the recording head, and a convergent flow path communicating the first communication path with the second communication path, convergent flow paths being arranged to converge toward the recording head; and a filter respectively disposed in each of second communication paths; wherein the filter is disposed in only an opening portion of the second communication path connected with an end of the convergent flow path.