To provide a recording medium write-in device in which recording medium replacing work is simplified image data write-in processing for different kinds of recording mediums.

The recording medium write-in device records image data acquired from a negative film in a CD-R in accordance with a prescribed tile form and prints a prescribed image on the label surface of the CD-R and is provided with a print part 32 which prints the image on the label surface, a write-in part 33 which records image data in the CD-R and a CD-R accumulating part 34 which accumulates CD-Rs before recording of image data, and the recording medium accumulating part 34 has at least a first accumulation area 34a and a second accumulation area 34b, and is provided with a control part 40 which performs such control that CD-Rs accumulated in the first accumulation area 34a is subjected to print processing and those in the second accumulation area 34b is not subjected to print processing.