Patent ID: 8905529
Filing Date: 2014-12-09
Classification: B41J

Abstract:
1. An inkjet recording device comprising: a line engine including a plurality of recording heads to eject ink from nozzles, the plurality of recording heads being aligned in a main direction perpendicular to a recording medium transportation direction such that the plurality of recording heads cover a width of a recording medium, wherein an arbitrary one of the plurality of recording heads is replaceable; and an ink cartridge to retain ink to be supplied to the plurality of recording heads of the line engine, wherein each of the plurality of recording heads includes a head tank attached on the corresponding one of the plurality of recording heads to retain ink supplied from the ink cartridge and to supply ink to the corresponding one of the plurality of recording heads, and each of a plurality of the head tanks includes a sub tank configured to retain the ink supplied from the ink cartridge and to supply the ink to the plurality of the head tanks; a first supply path configured to connect the sub tank and the supply port of a most upstream side recording head among the plurality of recording heads that are connected by the respective discharge ports and the supply ports; and a second supply path configured to connect the sub tank and the discharge port of a most downstream side recording head among the plurality of recording heads that are connected by the respective discharge ports and the supply ports.