Patent ID: 8794751
Filing Date: 2014-08-05
Classification: B41J,C09D

Abstract:
1. An ink jet recording device comprising: an ink jet head which has a nozzle surface where a plurality of nozzle opening ends are arranged and which ejects water-based ink from the nozzles to a recording medium; and a wiping device that executes a wiping operation where the nozzle surface and a wiping member are brought into contact and the nozzle surface is wiped, wherein oleic acid and a dispersant for dispersing the oleic acid into water by emulsifying the oleic acid are added to the water-based ink, wherein 0.05 weight % or more and 3.00 weight or less of the oleic acid and 0.05 weight % or more and 3.00 weight % or less of the dispersant are added to the water-based ink, and wherein the dispersant is potassium oleate, sodium oleate, or ethanol.