Patent ID: 8596754

Claim:
A liquid ejection apparatus comprising: a liquid ejection head having a liquid ejection surface, and configured to eject ink onto a liquid discharge area through liquid ejection openings that open in said liquid ejection surface, for forming an image on a recording medium; a cap device configured to establish a sealing state and an unsealing state, said cap device comprising an opposed portion disposed opposite said liquid ejection surface and a peripheral portion disposed at a periphery of the opposed portion such that an ejection space between said liquid ejection surface and said cap device is sealed from an exterior space by cooperation of said liquid ejection surface, said opposed portion, and said peripheral portion when the sealing state is established and the ejection space is unsealed from the exterior space when the unsealing state is established; an air introduction opening and an air discharge opening that are located in said cap device, said air discharge opening being configured to open in an area other than said liquid discharge area when the sealing state is established; a humidifier configured to supply humidified air into said ejection space through said air introduction opening and to discharge air from said ejection space through said air discharge opening; and at least one flow restrainer configured to restrain the liquid having been discharged onto said liquid discharge area from flowing to said air discharge opening.