Patent ID: 7490926
Filing Date: 2009-02-17
Classification: B41J

Abstract:
1. An ink jet recorder comprising: a line head including a plurality of nozzle heads arranged over the full width of a recording medium and in alignment along the width of the recording medium; a main tank for storing ink, the main tank being disposed outside of the line head; an ink supply passage that connects the main tank to each of the nozzle heads to supply the ink in the main tank to each of the nozzle heads; and at least one distribution tank provided in the line head and partway along the ink supply passage, wherein: the distribution tank includes an upstream connection connected to the ink supply passage toward the main tank and a downstream connection connected to part of the ink supply passage toward the nozzle heads, the total number of said upstream connections for the line head is smaller than the number of the nozzle heads arranged in the line head, the total number of said downstream connections for the line head is equal to or smaller than the number of the nozzle heads arranged in the line head, and each of the downstream connections comprises a connecting member containing a filter, and each of the downstream connections is detachably attached to the distribution tank so as to be integral with the distribution tank.