Provided is an image formation device for forming a toner image as an image to be printed on a sheet to transfer and fix the unfixed toner image onto the sheet, wherein a density adjustment setting of optionally adjusting a density of a printed image by a user is provided as a printing condition, and a toner increase mode for applying, to the sheet, more toner than that in a case of selecting a maximum density selectable in the density adjustment setting is provided as a printing mode.