Patent ID: 8439473

Claim:
An image recording apparatus which records an image by jetting liquid droplets of an ink onto a recording medium, the apparatus comprising: an ink-jet head which jets the liquid droplets of the ink onto the recording medium; a scanning mechanism which reciprocates the ink-jet head in a forward scan direction and a backward scan direction to perform forward scan and backward scan of the ink-jet head; a transport mechanism which transports the recording medium in a transport direction intersecting with the forward scan direction and the backward scan direction; and a controller configured to: control the scanning mechanism to perform the forward scan and the backward scan of the ink-jet head; control the ink-jet head to jet the liquid droplets on a first jetting area and a second jetting area on the recording medium which are formed by the forward scan and the backward scan of the ink-jet head, respectively; control the transport mechanism to transport the recording medium in the transport direction; set a transporting amount of the recording medium by the transport mechanism to be smaller than a length of the first jetting area in the transport direction, and control the transport mechanism to transport the recording medium by the transporting amount when scanning direction of the ink-jet head is changed from the forward scan direction to the backward scan direction, so that the first jetting area is partially overlapped with the second jetting area; set a reference jetting amount of the liquid droplets based on an input image data for each of the forward scan and the backward scan of the ink-jet head performed when the image is to be recorded on the recording medium; and make a jetting amount of the liquid droplets during the forward scan of the ink-jet head smaller than the reference jetting amount with respect to an overlapping area at which the first jetting area is overlapped with the second jetting area.