Patent attributes
The inkjet recording apparatus comprises: a full line print head in which a plurality of nozzles are arranged for respective ink colors across a length corresponding to a full width of a recording medium; a selection device which selects at least one of the plurality of nozzles for printing a dot onto the recording medium as a dot for a discharge failure detection, from at least one of the plurality of nozzles to be used for a print for obtaining a final output image based on print data; a discharge failure detection device which performs the discharge failure detection by reading in the dot for the discharge failure detection printed on the recording medium; and a reverse conveyance device which returns the recording medium to a printing position of the print head after the discharge failure detection performed by the discharge failure detection device, wherein the print for obtaining the final output image is performed by the print head onto the recording medium, by returning the recording medium to the printing position of the print head by the reverse conveyance device after the discharge failure detection performed by the discharge failure detection device.