Hi Auggie
I chanced to pick one of these units up a few years ago, it came with the warranty card dated 9-11-82, the instruction manual and some supply reorder forms. I'll see if I can scan and post a picture of the reorder form a little later. It looks like the cassettes for these units are NLA from Brother and aftermarket suppliers too. I can give you a few numbers to work with if you think it might help. All the best,
Sky
Part # 3020 Black film
Part # 3023 Green film
Part # 3025 Blue film
Part # 4020 Black nylon
Part # 4023 Green nylon
We humans go through many computers in our lives, but in their lives, typewriters go through many of us.
In that way, they’re like violins, like ancestral swords. So I use mine with honor and treat them with respect.
I try to leave them in better condition than I met them. I am not their first user, nor will I be their last.
Frederic S. Durbin. (Typewriter mania and the modern writer)