It is provided with an apparatus main body that has a medium feed mechanism feeding a recording medium along a feed route, a printing section that has an inkjet head, which performs printing on the recording medium, and has a movable and adjustable configuration in a separate direction with respect to the feed route in response to a thickness of recording mediums, and a medium detection section that detects a lifting on the recording medium from the feed route by detection light emitted along the surface of the recording medium, which is feeding. The medium detection section is attached in the printing section side.