On 8.6.2012 10:31, Mark Benson wrote: On 8 Jun 2012, at 08:23, Dave McGuire<mcguire at neurotica.com> wrote: I haven't tried cleaning TK50 heads in years, but I will (now that I have a more respectable workspace) start trying that. I will let you know how things go. I'll probably start digging into those within the next month or two. Thank you for the suggestion! I take it TK50 tapes won't read in a later drive? Yes, a TZ87 (DLT2000) can read TK50 tapes and TK70 tapes as well. Kari