kodak ultima 80 spit out,why?

[ip4u]

every time i go to backup a game with disc juggler,it spits out the kodak disc.
i tried to back up mobile one rally championship and grand prix3 but it keeps spiting the disc out.i tried this with all my kodak discs but the same thing happens time after time.
i have:
samsung sd612 sd dvd rom
ricoh 7083a