I need help recording tracks from my MPC Ren to cassette.

I have an old sony cassette recorder and wanted to record a few songs onto tape from my MPC for fun. I have standard rca red/black cables that I assume are supposed to run from the line in on the cassette deck, but where do I plug them into the MPC? I've tried a bunch of different combinations but can't get anything to record to the cassette. Any help would be greatly appreciated.

use the stereo out on the ren. you'll need some rca->1/4" converters. also you'll need to make sure yer software is setup to use the ren's stereo out.