Contant printer timeouts disabling printers

[Paul Raines]

> Paul Raines wrote:
> > ...
> > The printers are all standard HP network printers.  I have tried
> > changing from using JETDIRECT to LPD to communicate with the printers
> > with no change in the problem.
>
> The error_log snippet shows a LPD backend error.  The socket backend
> does not have this sort of timeout in it and won't error out unless
> someone turns the printer off in the middle of a job.
>

True.  On printers where I am using jetdriect to port 9100, the error
in the log file is:

E [18/Oct/2006:09:21:02 -0400] [Job 47297] Unable to send print file to printer: Connection reset by peer


> > I have tried changing the "Timeout" setting in cupsd.conf to 600 but
> > continue to get the error saying 300 seconds so that appears not
> > change the timeout for this issue.
>
> Right, the cupsd.conf Timeout parameter controls the scheduler's
> timeout.  For LPD printers, use:
>
>      lpd://host-or-ip/queue?timeout=NNN
>
> where "NNN" is the number of seconds to wait.

Okay, good to know.  But I think something more fundemental is going on. I am wondering if some kind of resource is being run out of for cups (memory, file descriptors, etc) which somehow results in this kind of error.