phototypesetter for xenix?

[Nick Pemberton]

We have a LASERPRO Silver Express Laser printer here, which through
some nasty wiring is now hooked to our xenix system. It has several
compatibility modes in it, including HP LaserJet. I have managed
to get the spooler system to use it, but I am at a loss with troff

SO, I hit the manuals. I have wasted about 3 hours pouring through manuals,
finding an obscure reference to /dev/cat (????), but not much more. 

Does anyone out there know how to configure troff to use this printer?

I know nroff could do it, but the printer is capable of some pretty
nifty stuff, and I'd like to take advantage of it.

Thanks,

Nick
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