To provide an inkjet recorder achieving suitable image recording by eliminating air infiltrating into an ink passage.

The inkjet recorder includes a first tank that supplies ink to a second tank through a tank-to-tank passage and includes a pressurizing line; the second tank; an opening/closing means opening/closing the tank-to-tank passage; and a recording head that communicates with the second tank. An air lead-out passage having a closing means in a passage extended perpendicularly to a horizontal direction from a connection part is provided between the second tank and the recording head, and the second tank communicates with an atmosphere opening means.