| 主权项 |
1. An ink-jet recording apparatus for recording on a recording sheet with an ink containing at least a pigment, a resin, and water, the ink-jet recording apparatus comprising:
three color inkjet heads, wherein the three color inkjet heads, consisting of a first color inkjet head, a second color inkjet head and a third color inkjet head, are arranged in a conveyance direction of the recording sheet, the color inkjet head that discharges the ink containing resin-encapsulated pigment particles with a largest number average particle diameter among the three color inkjet heads is arranged in a most downstream of the conveyance direction of the recording sheet, the larger the number average particle diameters of the resin-encapsulated pigment particles contained in the inks discharged from the three color inkjet heads are, the more downstream side the color inkjet heads are arranged in the conveyance direction of the recording sheet, the first color inkjet head disposed most upstream among the three color inkjet heads discharges ink including resin-encapsulated pigment particles having the number average particle diameters of 99 nm to 103 nm, the second color inkjet head disposed between the first color inkjet head and a third color inkjet head discharges ink including resin-encapsulated pigment particles having the number average particle diameters of 118 nm to 120 nm, the third inkjet head disposed most downstream among the three color inkjet heads discharges ink including resin-encapsulated pigment particles having the number average particle diameters of 141 nm to 144 nm, the resin is a styrene acrylic resin having an acid value ranging from 150 to 300, and the ink includes 1,2-octanediol and Olfine E1010. |
