A:AnswerThe same thing happened to us. There is an odd glitch with new cassette tapes and here is the work-around: place the new blank tape in the machine and fast-forward all the way to the end. It will now record. I'm not sure why this happens but all our tapes work the same way in this machine.
A:AnswerThis MCR-100 features a Head phone jack. If you procure the right cable assembly, you can try using the head phone jack output (3.5mm) connecting to the input (RCA) or your stereo system.