Patent ID: 7490930

Claim:
An inkjet recording apparatus, comprising: a black ink ejecting portion configured to eject a black ink containing a self-dispersion pigment; color ink ejecting portions configured to eject, respectively, a cyan ink, a magenta ink and a yellow ink which comprise a polymer emulsion which comprises a polymer fine particle containing a coloring material which is insoluble in water or slightly soluble in water; and a recording-controlling unit configured to control recording, wherein the black ink ejecting portion and the color ink ejecting portion scan relative to a recording medium, to thereby record an image on the recording medium, and wherein, when the recording medium is optically transparent and is provided, on a transparent base material thereof, with an ink accepting layer, the recording-controlling unit controls recording on the recording medium such that the color ink ejecting portion is used for recording a monochrome image and a color image which has a plurality of colors, leaving the black ink ejecting portion substantially free from being used, and wherein the optically transparent recording medium provided with the ink accepting layer is an OHP sheet.