Printing Problems

[Joseph McCrary]

Last week, I started having problems printing. I've got two printers 
connected, both of which used to work fine. One is a Canon S600 
connected to a USB port. The other is a HP LJ 6MP connected through my 
local network.

When I try to print a test page, I get this error:

lpr: error - unable to print file: server-error-service-unavailable

I'm running Core 3, and have done all of the updates. I downloaded and 
installed the latest version of CUPS (1.1.22). That did not help.

Please help.

Joe