In which forum should I ask LPRng questions?
Forum: General Discussion 
Where can I find a table of working printers?
Where can I find a tutorial of setting up a printer?
Where can I find the log file?
Look for the lf entry in /etc/printcap for the log file.
lpdomatic: unable to evaluate datablob
This problem can also happen when one uses LPRng and sets up the
/etc/printcap for an lpdomatic queue as described for stock LPD on
To solve the problem the /etc/printcap has to be set up as described for
LPRng on the mentioned page and the accounting information has to be
removed from the printer description file. Or one re-downloads the
printer description file.