An inkjet printing apparatus comprising: a print bar unit movable in a first direction (FT-RR) which is a front-rear direction intersecting a conveyance direction of a print medium, the print bar unit including a print bar being liftable and lowerable in a second direction (UP-DN) intersecting the conveyance direction and the first direction and having an inkjet head configured to eject an ink to the print medium being conveyed, a maintainer including: a maintenance pan having a tray shape which is rectangular in a plan view and configured to receive the ink from the inkjet head; and a wiper fixed to a front end portion of the maintenance pan in the first direction, and a movement driver configured to move the maintainer between a deployment position and a retreat position, wherein the deployment position is a position under the inkjet head in the second direction in a maintenance state of the inkjet head where the print bar is lifted from a printing position in the first direction to a maintenance position above a height position for printing in the second direction, and wherein the retreat position is a position where the maintainer is retreated from the deployment position in the first direction; and a controller configured to control the print bar unit, wherein, upon maintenance of the inkjet head, the controller is configured to drive the movement driver to move the maintainer from the deployment position to the retreat position with the print bar arranged at the maintenance position while wiping a nozzle surface of the inkjet head with the wiper of the maintainer being moved in the first direction, and wherein the maintenance pan is configured to receive the ink removed from the nozzle surface by wiping with the wiper. a print bar unit movable in a first direction (FT-RR) which is a front-rear direction intersecting a conveyance direction of a print medium, the print bar unit including a print bar being liftable and lowerable in a second direction (UP-DN) intersecting the conveyance direction and the first direction and having an inkjet head configured to eject an ink to the print medium being conveyed, a maintainer including: a maintenance pan having a tray shape which is rectangular in a plan view and configured to receive the ink from the inkjet head; and a wiper fixed to a front end portion of the maintenance pan in the first direction, and a movement driver configured to move the maintainer between a deployment position and a retreat position, wherein the deployment position is a position under the inkjet head in the second direction in a maintenance state of the inkjet head where the print bar is lifted from a printing position in the first direction to a maintenance position above a height position for printing in the second direction, and wherein the retreat position is a position where the maintainer is retreated from the deployment position in the first direction; and a print bar being liftable and lowerable in a second direction (UP-DN) intersecting the conveyance direction and the first direction and having an inkjet head configured to eject an ink to the print medium being conveyed, a maintainer including: a maintenance pan having a tray shape which is rectangular in a plan view and configured to receive the ink from the inkjet head; and a wiper fixed to a front end portion of the maintenance pan in the first direction, and a movement driver configured to move the maintainer between a deployment position and a retreat position, wherein the deployment position is a position under the inkjet head in the second direction in a maintenance state of the inkjet head where the print bar is lifted from a printing position in the first direction to a maintenance position above a height position for printing in the second direction, and wherein the retreat position is a position where the maintainer is retreated from the deployment position in the first direction; and a controller configured to control the print bar unit, wherein, upon maintenance of the inkjet head, the controller is configured to drive the movement driver to move the maintainer from the deployment position to the retreat position with the print bar arranged at the maintenance position while wiping a nozzle surface of the inkjet head with the wiper of the maintainer being moved in the first direction, and wherein the maintenance pan is configured to receive the ink removed from the nozzle surface by wiping with the wiper.