On 2012-06-08 09:31, 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? They will. TK70 and TK85 (if I remember right) can both read TK50. You also have the TZ30 (I think the name is), which is a TK50 compatible, but smaller drive, with SCSI. Johnny