A printing machine, including a frame, at least one printing station having at least one inkjet print head, a turret rotating about an axis of rotation, object carriers rotating on the turret about respective object carrier axes, the turret being movable between a plurality of positions, and a drive system driving one of the object carriers in rotation relative to the turret, the drive system including a first part mounted on the frame, and a second part having a locking device and a drive device, wherein the second part moves between an active position, in which the drive device rotates one of the object carriers and the locking device locks the rotating turret about the axis of rotation in one of the positions of the turret, and a rest position, in which the drive device and the locking device are away from the one of the object carriers.