David Largent wrote (among other things):
>(lots of stuf snipped)
>
> It seems the printer is on the
> same HPIB channel as the disks, and maybe the wrong address was
> confusing it.
>
>(lots of stuff snipped)

I've always been told me that putting printers and disk drives on the
same HP-IB channel is a no-no, because slow devices shouldn't be mixed
with fast devices on the same channel.

Could this have contributed to the problem?

Any wisdom on this from the HP-IB gurus out there?