THE INSIDE OF CABINET LOOK LIKE IT HAS BEEN IN A FIRE BUT ALL WIRING LOOKS GOOD.LOOKING FOR A MAILBOX PART NUMBER, AND MODEL 15 PART NUMBERS. MR. RTTY SAID SAID I NEED PART NUMBERS. THE CARRIAGE AT THE WHEELAND PART THAT HOLDS THE PAPER DOWN IS BENT.  WHAT IS MISSING?  RS232 TO FEED AUDIO??  

THANKS FOR ANY HELP de KF4ZNL