According to one example, there is provided a controller readable medium on which are stored controller readable instructions. The instructions are such that, when executed by a controller, perform the steps of commencing the printing of a print job on a media sheet, determining when about half of the media sheet ejected out of a printer media output is at the level of a stacker unit, activating a first array of fans to retain a portion of the ejected media sheet, completing the print job, and activating a second array of fans to blow the trailing edge of the ejected media sheet over the stacker unit.