CUPS problem

[C M Reinehr]

On Thursday 27 September 2007 08:56, Vu Pham wrote:
> We upgraded a server from RHEL4 to RHEL5. Everything is ok except
> printing. The problem is lpstat shows the printer is idle and enable and
> there are several jobs for that printers and they are never sent to the
> printer.
>
> More details: I print three files in a row, say f1, f2 and f3.
>
> tcpdump shows that f1 is sent and the printer is printing, then f2 is
> sent after f1 has been sent but before the printer finishes printing f1.
> The printer returns an error code Printer busy then continue printing.
>
> CUPS does show this error and lpstat shows " Network host
> '192.168.244.52' is busy, down, or unreachable; will retry in 30
> seconds..." then within 30 seconds, f2 is sent again and is printed
> sucessfully.
>
> The problem is f3 is never sent or printed. Then lpstat shows the
> printer is ready, and the job just sits on the server.
>
>
> Anyone experiences this problem ?
>
> Thanks,
>
> Vu

Vu,

Have a look at the logs in /var/log/cups (or wherever, on a RH system). You 
might also raise the detail of the logs by changing the LogLevel 
in /etc/cups/cupsd.conf.

As Lonnie has already suggested, the easiest thing might be just to delete & 
recreate the printer. I have better success managing cups either from the 
command line (lpadmin) or with a browser (http://localhost:631) than with any 
fancy gui interface I've tried.

HTH

cmr
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