| 主权项 |
1. A liquid ejection apparatus, comprising:
a head comprising a plurality of ejection opening groups, each ejection opening group comprising one or more ejection openings for ejecting liquid; a plurality of caps which are provided respectively corresponding to the plurality of ejection opening groups, each of the caps comprising a recess for forming a closed space opposed to the one or more ejection openings belonging to the corresponding ejection opening group; a mover configured to move each of the caps relative to the head individually, thereby causing each of the caps to be in either a closed state or an open state, in the closed state the one or more ejection openings belonging to the corresponding ejection opening group being closed off from an outside, in the open state the one or more ejection openings belonging to the corresponding ejection opening group being opened to the outside; a plurality of suction tubes respectively connected to the recesses of the caps; a sucker configured to suck air in the recesses of the caps; a switcher configured to connect or disconnect the sucker with the suction tubes individually; and a controller configured to control the mover, the sucker, and the switcher, wherein, the switcher comprises: a case comprising an internal space and a plurality of holes, each of the holes causing the internal space to communicate with an outside of the case; and a rotator accommodated in the internal space, the rotator being rotatable along an inner surface defining the internal space in the case, the suction tubes are respectively connected to the holes, and the rotator comprises a passage formed therein, the passage being configured to cause the sucker to communicate with two or more holes out of the plurality of holes without causing the sucker to communicate with the holes other than the two or more holes out of the plurality of holes, depending on a rotational position of the rotator in the internal space. |
