  swapping tapes between TK50 and TZ30? 
 The Question is:
 
Can TK50 tapes be read and created on a TZ30.  (reason:  Vendor wants info that can be read on TZ30 and I have TK50 and TK70 tapes.)
 
 
 The Answer is:
Yes, tapes written on a TK50 and TZ30 are indistinguishable.
 
