Using an Epson LX800 as a line printer and for nroff

[Richard T Carson]

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I'm sending this from a friend's account.  Please reply to
keynes!shankar at ucsd.edu or shankar at are.berkeley.edu
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Recently, I got an Epson LX800 dot-matrix printer for using with a
3b2/300.  I hooked it up with a centronics cable to the parallel
port on the 3b2/300.  I can't get lp to work.  cat file > /dev/tty14
(the tty for the parallel port) doesn't work.  stty -a < /dev/tty14
gives a 'cannot open' message.  
Any idea what's wrong and what I should do next?  Not much use
asking  AT & T.  They want $125 an hour just to talk to you on the
phone.  I'd like to use the printer for nroff.  Some time ago,
comp.sources.unix had something on using the mx-80, the precursor
of the lx800, for nroff.  Hope this'll work and that it doesn't need
the printer to be configured for a serial port. 
Any help will be greatly appreciated.
thanks
shankar subramanian  (keynes!shankar at ucsd.edu,
shankar at are.berkeley.edu)