An ink-jet printer including: an ink supply portion; a transport mechanism; an ink-jet head; an inverting mechanism; and a controller is provided. The controller is configured to control the ink-jet head to perform an ordinary jetting operation and a marking jetting operation, and is configured to control the ink-jet head and the inverting mechanism such that only the ordinary jetting operation is performed on the one surface of the printing medium without performing the marking jetting operation, and the marking jetting operation is performed on the other surface of the printing medium after inverting the printing medium with the inverting mechanism.