Looks like the cups mailing list has died & I have a problem.

[Marc Deslauriers]

On 12-12-06 08:42 PM, Gene Heskett wrote:
> An hour after I posted that, I did find the problem.  In 
> /etc/cups/cupsd.conf, network browsing was disabled, again.  I have 
> specifically enabled that several time, the most recent was I believe in 
> June or July of this summer.  I turned it back on, did the search for 
> printers again, then remembered I had not restarted cups, and did so.  Both 
> machines then found the shared printers and I was able to print a .hal 
> config file from both machines.
> 
> Then I went back and did the chattr +i on both of those 
> /etc/cups/cupsd.conf files.  If the next cups update has a litter of 
> elephants over that, so be it.

/etc/cups/cupsd.conf is a conf file, dpkg doesn't touch conf files when
upgrading packages.

Marc.