| 摘要 |
A color printer which performs a printing operation according to data from an upper unit such as a host computer. Switching mechanisms each which switches the state of each color printing unit to either a return state or an evacuation state are respectively arranged to the color printing units. A control unit judges as an unused color a color satisfying a predetermined unused condition among the plural colors and controls the corresponding at least one of switching mechanisms to switch the state of the color printing units corresponding to the unused color to the evacuation state. Since the evacuation operation of the color printing unit is performed without deteriorating the printing performance, the reduced power consumption, prolonged serviceable life of a color printing unit with a low use frequency, and improved print quality can be realized.
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