Are you trying to copy orginal DC games? Well here's your problem: THAT CANNOT BE DONE and there are 2 reasons for that:

1. DC games have up to 1GB information on the disc and wil not fit on a normal CD-R.
2. The DC data on the second track cannot be read by any software.

Only real cracking groups like Utopia can crack/rip DC games! Thet leave out some of the music or video to make the image smaller. You can try to download games. They are usually in DCI format which then can be burned with DiscJuggler...

I think the person who told you to copy it using he SubChannel Data setting was confused with PlayStation Discs. These need the SubChannel Data, but your burner indeed cannot read them in 96 bytes mode, which is needed for PSX games.

Greets