Patent ID: 8801167

Claim:
An inkjet recording apparatus comprising: an ink; and an ink discharging head configured to discharge the ink, wherein the ink discharging head is provided with a nozzle having a silicone-containing water-repellent film on a surface thereof on which the ink contacts, wherein the ink contains: a colorant; water; and a water soluble organic solvent, wherein the colorant contains a carbon black partially coated with a resin, and wherein the ink meets the following expressions (1) and (2): 1.0×10 4 <N×R/ 100<1.0×10 6 (1) 20.0< R≦ 100.0 (2) where R (% by mass) denotes a rate of the mass of the carbon black partially coated with a resin relative to the mass of the colorant, and N denotes the number of coarse particles having a particle diameter of 0.5 μm or more per 5 μL of the ink where the number thereof is determined with a number counting method, and further wherein at least one of the following apply: an amount of the resin contained in the carbon black partially coated with the resin is 1% by mass to 40% by mass, and the R (% by mass) is 35.0<R<95.0.