The "tone jump" problem on the print results which occurs printing the gray-shade data after specifying the ICC profiles has been rectified.
Mac OS X 10.2.8
Mac OS X v10.2.8, before using "Photo Paper Pro II," select "Photo Paper Pro" in Media Type.
Procedures for the download and installation
1. Click the link. The download will start automatically.
2. Files will be saved on the computer desktop.
3. Double-click the file to mount the Disk Image.
4. Double-click the mounted Disk Image.
5. Double-click the .pkg file in the folder. Installation starts automatically.