Canon imagePROGRAF iPF6300S User Manual page 628

Mac OS X Software
4.
After you have read the software User's Licensing Agreement, click the Continue button.
4
5.
Click the Agree button.
6.
Select Custom Install to put a checkmark on your Print Plug-In, then click the Install button.
610
Installation Procedures
> Print Plug-In for Photoshop/Digital Photo Professional >
iPF6300S