A controller determines an original conveyance distance; determines whether a particular code image is to be recorded on a recording medium; when the particular code image is to be recorded, determines, based on the image data and on identification information of a defective ejection port, whether the first region is to be formed with liquid ejected from the defective ejection port assuming that the medium is conveyed by the original conveyance distance; when the first region is to be formed with liquid ejected from the defective ejection port, determines a shortened conveyance distance such that the defective ejection port is located at a position corresponding to a second region with respect to the conveyance direction; performs shortened conveyance processing of controlling the conveyor to convey the medium in the conveyance direction by the shortened conveyance distance; and controls the carriage and the head to record the image on the medium.