Image data output device, printing device, printing system, image data output program and its installation program

摘要

An image data output device includes, a setting part that can set adjustment values, an adjusting part that can adjust the image quality of image data based on the adjustment values, a choosing part that can choose the image data, a display part that can display an image to preview adjustment effects for the image data chosen by the choosing part, the image quality has been adjusted by said adjusting part, and a data outputting part that can output the image data to be a print target to the printing device, wherein the image quality of the image data has been adjusted by said adjusting part.