How to test cups printer system

[Dave Feustel]

On Thu, Nov 20, 2008 at 10:02:36PM -0500, Steven W. Orr wrote:
> On Thursday, Nov 20th 2008 at 19:21 -0000, quoth Dave Feustel:
> 
> =>On Thu, Nov 20, 2008 at 04:58:06PM -0700, Phil Meyer wrote:
> =>> Dave Feustel wrote:
> =>>> I just added my hp2100 laserjet printer to f9.  I then tried to print a
> =>>> small test file. I get no output (the job is queued tho) plus a warning
> =>>> message that the printer may not be connected.
> =>>>
> =>>> Do I need to do something else to get the cups system enabled?
> =>>>
> =>>> Thanks.
> =>>>
> =>>>   
> =>>
> =>> Most HP printers want hplip.  Check your /var/log/messages for an error  
> =>> message about a 'back-end'.
> =>>
> =>> # yum install hplip hplip-gui hplip-libs
> =>
> =>hplip - already installed
> =>hplip-gui - installed by yum
> =>hplip-libs - not found by yum
> =>
> =>> Afterward, your print job should just happen.
> =>
> =>Unfortunately, with 3 jobs queued, printer remains quiescent.
> =>printer is connected to parallel port and was recognised by
> =>printer config.
> =>
> =>> Modern USB printers  
> =>> usually need no config at all for CPUS to see it and work.  Just plug it  
> =>> in and it should show up in printing dialogs.
> =>>
> =>> Good Luck!
> 
> Same here. There is no hplip-libs package.
> 
> Also, if I run hp-check -r, it complains that I don't have cups-ddk but I 
> do have cupsddk. 
> 
> Should this be reported?

There are quite a few reports of the "not connected" problem found by
Google for a variety of operating systems using CUPS..  Is there a
simple way to test the printer directly (eg bypassing the entire CUPS /
LPD system )?