No idea, I can't say I ever used K-Probe on CDRs (just tend to use CD-DVDSpeed more!)...but I was just going by responses I got in another thread (in the Blank Media forum) - I can dig the thread up for you, if you like. I remember some NEC and BenQ DVD burners were mentioned as reliable CDR scanners, though.
Edit: Here you go, the reliability of LiteOn DVD burners as CD scanners is questioned here. Draw your own conclusions.