| 主权项 |
1. An ink jet recording apparatus comprising:
a recording head in which nozzle arrays are configured by lining up a plurality of nozzles which discharge identical inks and the nozzle arrays are arranged in a plurality of lines, and which discharges a plurality of types of ink; at least one cap which covers the plurality of the nozzle arrays in a left-to-stand state; and a liquid waste tank, wherein the cap is used for an operation of suctioning ink in the recording head in a state where the plurality of the nozzle arrays are covered, a flushing operation which receives ink from the recording head, and a capping operation which protects the nozzles by covering the plurality of the nozzle arrays in a left-to-stand state, and out of a plurality of nozzle arrays which are accommodated in one cap in a capping operation, a nozzle array in an end side region of the cap discharges ink with the low solid content concentration to the cap and a nozzle array in a central region of the cap discharges ink with the high solid content concentration to the cap and the ink, which is discharged to the cap, is evacuated to the waste liquid tank. |
