ATB printing

Anyone have any ideas on this one:  We are trying to convert a ticket
printing program to print on an ATB printer (standard airline ticket
printer, uses it's own printer language, attaches only RS232).  

Currently, the ticket printing program (COBOL) on the 400 prints
directly to the printer device - does not create a spool file (we think
we'll probably have to change that).  

Any ideas on how to get the print stream to the ATB printer?  Right now
we're think of writing a PC program to modify the print stream (once
we've somehow gotten it down to a PC) and send it to the ATB printer, or 
maybe use some kind of program on the 400 to write to the printer and
hook it up over a V.24 comm line, or set the printer up (via an attached
PC) for TCP/IP as a remote printer (maybe using some kind of workstation
customizing object to alter the print stream?).

Any ideas or guesses would be welcome!
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