I updated to the latest version of CUPS a couple of weeks ago, but didn't reboot
the box until this morning, when some process locked up X. Since
rebooting, I can't print to my local printers from apps which normally
print without any problems.

It's not a cupsd.conf problem, because I can bring up the browser
interface (localhost:631) and print test pages, add and delete printers,
etc. But if I try to print from an application....nada.

This is what happens when I try to run a print job from a DOS app running
in DOSemu - usually works fine:

[rcs@officebox: ~]$ xdos &
kernel CPU speed is 1300000099 Hz
Running on CPU=586, FPU=1
lpr: unable to print file: server-error-service-unavailable
lpr: unable to print file: server-error-service-unavailable


This is what I get when trying to print off a web page in Firefox:
[rcs@officebox: ~]$ /usr/local/firefox/firefox &
[2] 2379
[rcs@officebox: ~]$ lpr: error - scheduler not responding!

This happens even if I run Firefox (or xdos) as root, so it's not a
permissions problem.

This is running on an updated Mandrake 9.2 machine. If I try to use
Mandrake's printer configuration utility, I get an error message from
lpstat about not being able to connect to the server.

Yes, I did Google it. Most of the issues there dealt with configuration
problems involving network or Samba printers...neither of which apply
here.

I'm using the CUPS versions of the lp utilities - they're all symlinked to
the lp*-cups versions.

Anyone seen this before and have a clue? None of the previous problems
I've had with CUPS (like running LPRng at the same time) apply any more.

Thanks......Bob

Is the cupsd daemon running?

Uhhh....yes

[root@officebox: /etc/rc.d/init.d]$ ps aux | grep cups
root 1525 0.0 0.2 5232 2204 ? S Nov08 0:00 cupsd
root 9021 0.0 0.0 1824 592 pts/0 R 08:54 0:00 grep cups
[

OK, all fixed. There was a typo in the /etc/cups/client.conf file. I had changed the hostname of the server, and there was a letter missing in the servername definition in that file.

Bob