Patent ID: 8052274
Filing Date: 2011-11-08
Classification: B41J

Abstract:
1. A both-side-printing color thermal inkjet recording device, which carries out recording with thermally-generated bubbles, the both-side-printing color thermal inkjet recording device comprising: a recording part configured to perform recording on a printing surface of a recording medium, said recording part including plural color inkjet recording heads configured to jet color ink drops of respective plural colors, each of the plural color ink jet recording heads being multi-nozzle-type and thermal, and including plural heating elements arranged in a density in a range of 400 dpi through 3200 dpi, and nozzles corresponding to the heating elements and having a cross-sectional area in a range of 10 μm each of the multi-nozzle-type thermal color ink jet recording heads being configured to jet the color ink drops on demand, wherein jetting of ink drops is carried out in a manner in which bubbles generated by the heating elements are caused to project ink outward from the nozzles; a treatment applying part configured to provide a treatment liquid to the printing surface of the recording medium before printing by jetting the ink drops, the treatment liquid insolubilizing the ink, or preventing a dot of the ink drop from spreading or running much on the recording medium; a first conveying part configured to convey the recording medium to a position facing nozzle surfaces of the plural color inkjet recording heads, and for recording on one side of the recording medium by said recording part; a second conveying part, including said first conveying part, configured to convey the recording medium, after the recording on one side of the recording medium is performed by said recording part, to the position facing the nozzle surfaces for printing on the other side of the recording medium; and a double-sided printing control part configured to enable printing images on both sides of the recording medium in a manner in which vertical orientations of the images on both sides of the recording medium coincide with each other.