To provide a printed material easy to see for a dyschromatopsia congenita person.

This printer or system comprises a conversion mode receiving section 58 that receives various conversion modes including a borderline emphasizing mode for adding a borderline at a changing section of colors in an image designated by image data 76, a pattern conversion mode for changing a pattern in a pattern region in the image which is hard to recognize for a dyschromatopsia congenita person and the like. The printer or the system further comprises an image conversion section 65 that converts the image data stored in a journal file 61 so as to make the image designated by the image data to be a clear image easy to see corresponding to the conversion mode received by the conversion mode receiving section 58 and stores the converted image into the journal file 61.