Error Printing Request in SCO Xenix

[Frank I. Reiter]

A colleague of mine has a machine that has stopped printing requests sent
through the spooler.  Everything in /usr/spool/lp is owned by lp and is r/w,
and the device(s) are writable as well but each print request generates a
mail message saying simply "Error Printing request printer-123".

Has anyone seen this problem before?  (Yes, he HAS mucked around with things
a little).

Thanks in advance for any advice or suggestions.
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Frank I. Reiter              UUCP:  {uunet,ubc-cs}!van-bc!rsoft!frank
Reiter Software Inc.                frank at rsoft.bc.ca,  a2 at mindlink.UUCP
Surrey, British Columbia      BBS:  Mind Link @ (604)576-1214, login as Guest