http://www.futureproducers.com/tutorial.php/id/36
Follow the above tutorial...
When you've done that, connect your MPC to your PC via USB. Drag all your WAV files to a desired directory on your PC. Then, use an audio burning software to burn those WAV files to a CD/DVD.
This is the best way to record your tracks, but the best way is the multi-track recorder. Because you can burn directly to a CD right from the multi-track recorder, you can mute tracks while recording, and it is less of a hassle.