Burroughs BU4400 tape drive. What is it?

Anders Nelson anders.k.nelson at gmail.com
Tue Apr 2 20:35:37 CDT 2019

Hey Tony,

Here is a 10-pack of 9-track tapes for $10USD:

Shipping to NZ will probably be $100... I bought one of these boxes and
could send you a single tape if you need it, but I imagine there's someone
with a tape they don't need closer to you.

Let me know!
Anders Nelson

+1 (517) 775-6129


On Tue, Apr 2, 2019 at 8:41 PM Chuck Guzis via cctalk <cctalk at classiccmp.org>

> On 4/2/19 3:04 PM, mike--- via cctalk wrote:
> > Looks like you're right! I'm pretty sure it's a cleaner. Everything on
> > it seems to work well, once I figured out how it was intended to work.
> > Just had fool the tape optical sensor (BOT/EOT?) with a piece of paper
> > and it started up fine. It only seems to want to go 'slow' in reverse,
> > but that may be something to do with the lack of tape. I like the tape
> > counter a lot. It shows error codes when they occur, and is a dot matrix
> > style LED display (perhaps not true dot matrix, just something nicer
> > looking than a 7-segment display).
> If you're going to use this thing, do check the carbide (sometimes
> ceramic) cleaning blade.  You want the edge to be sharp and smooth; if
> it's nicked or chipped, it will end up doing more harm than good.
> I suspect that a carbide insert for machine tools might be cobbled up as
> a replacement, if required.
> --Chuck

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