Patent ID: 7922316
Filing Date: 2011-04-12
Classification: B41J,C09D

Abstract:
1. An inkjet recording apparatus comprising: an ink, and a recording head with a filter, wherein the ink that comprises a colorant, a humectant, a surfactant, and a wetting agent is discharged from the recording head, and the viscosity of the ink at 25° C. is 6 mPa·s to 13 mPa·s, the volume-average particle diameter of the colorant is 5 nm to 200 nm, and the fluid resistance of the filter against the ink is 4.4×10 wherein the recording head comprises a nozzle and an ink-containing positively pressurized liquid chamber, and wherein the nozzle and the ink-containing positively pressurized liquid chamber are in direct fluid communication.