A method comprising: inferring expansion effects of moisture on media resulting from ejection of fluid by a fluid-ejection device onto the media within a print zone in accordance with a portion of a print job; wherein inferring the expansion effects of moisture on the media resulting from the ejection of the fluid onto the media within the print zone in accordance with the portion of the print job comprises one or more of: determining a type of the media onto which the fluid is to be ejected within the print zone in accordance with the portion of the print job, such that the expansion effects of moisture on the media are affected by the type of the media; determining a type of the fluid to be ejected onto the media within the print zone in accordance with the portion of the print job, such that the expansion effects of moisture on the media are affected by the type of the fluid; determining a density of the fluid to be the ejected onto the media within the print zone in accordance with the portion of the print job, such that the expansion effects of moisture on the media are affected by the density of the fluid; determining an area of fluid coverage of the media within the print zone onto which the fluid is to be ejected in accordance with the portion of the print job, such that the expansion effects of moisture on the media are affected by the area of fluid coverage; or determining a geometry of the portion of the print job in accordance with which fluid is to be ejected onto the media within the print zone, such that the expansion effects of moisture on the media are affected by the geometry; and, wherein, in response to inferring the expansion effects of moisture on the media, performing an action to counteract the expansion effects of moisture on the media. inferring expansion effects of moisture on media resulting from ejection of fluid by a fluid-ejection device onto the media within a print zone in accordance with a portion of a print job; wherein inferring the expansion effects of moisture on the media resulting from the ejection of the fluid onto the media within the print zone in accordance with the portion of the print job comprises one or more of: determining a type of the media onto which the fluid is to be ejected within the print zone in accordance with the portion of the print job, such that the expansion effects of moisture on the media are affected by the type of the media; determining a type of the fluid to be ejected onto the media within the print zone in accordance with the portion of the print job, such that the expansion effects of moisture on the media are affected by the type of the fluid; determining a density of the fluid to be the ejected onto the media within the print zone in accordance with the portion of the print job, such that the expansion effects of moisture on the media are affected by the density of the fluid; determining an area of fluid coverage of the media within the print zone onto which the fluid is to be ejected in accordance with the portion of the print job, such that the expansion effects of moisture on the media are affected by the area of fluid coverage; or determining a geometry of the portion of the print job in accordance with which fluid is to be ejected onto the media within the print zone, such that the expansion effects of moisture on the media are affected by the geometry; and, wherein, in response to inferring the expansion effects of moisture on the media, performing an action to counteract the expansion effects of moisture on the media. determining a type of the media onto which the fluid is to be ejected within the print zone in accordance with the portion of the print job, such that the expansion effects of moisture on the media are affected by the type of the media; determining a type of the fluid to be ejected onto the media within the print zone in accordance with the portion of the print job, such that the expansion effects of moisture on the media are affected by the type of the fluid; determining a density of the fluid to be the ejected onto the media within the print zone in accordance with the portion of the print job, such that the expansion effects of moisture on the media are affected by the density of the fluid; determining an area of fluid coverage of the media within the print zone onto which the fluid is to be ejected in accordance with the portion of the print job, such that the expansion effects of moisture on the media are affected by the area of fluid coverage; or determining a geometry of the portion of the print job in accordance with which fluid is to be ejected onto the media within the print zone, such that the expansion effects of moisture on the media are affected by the geometry; and, wherein, in response to inferring the expansion effects of moisture on the media, performing an action to counteract the expansion effects of moisture on the media.