摘要:
A cleaning method comprises first cleaning which includes supplying a cleaning-liquid to the coloring device from the optical fiber passing hole of the nipple and the ink supply opening, and discharging the cleaning-liquid from the cleaning-liquid discharge opening, and second cleaning which includes supplying a cleaning-liquid to the coloring device from the optical fiber passing hole of the nipple and the ink supply opening, and discharging the cleaning-liquid from the optical fiber passing hole of the second die.