A liquid ejection apparatus is provided. The liquid ejection apparatus includes two line-type heads, each of which includes an ejection surface having a plurality of ejection ports for ejecting liquid to a recording medium; and two covers provided for the two heads, respectively, and each of the covers being movable relative the corresponding head between a protection position where the cover covers the ejection surface of the corresponding head and a retraction position where the cover does not cover the ejection surface of the corresponding head. Each of the heads includes a first side close to a head other than the corresponding head and a second side away from the head other than the corresponding head. The retraction position of each of the covers is located at the second side of the corresponding head.