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-   -   CUPS Again - Any ideas from the list? (http://www.linux-archive.org/debian-user/643599-cups-again-any-ideas-list.html)

Ethan Rosenberg 03-12-2012 01:49 PM

CUPS Again - Any ideas from the list?
 
At 01:44 PM 3/11/2012, Brian wrote:

On Sat 10 Mar 2012 at 21:27:06 -0500, Ethan Rosenberg wrote:

> ethan@rosenberg:/var/www/Webpages2$ ls -l /usr/lib/cups/backend/
> total 508
> -rwxr-xr-x 1 root root 7250 Mar 2 16:54 beh
> -rwx------ 1 root root 21284 Dec 26 22:43 cups-pdf
> -rwxr--r-- 3 root root 18096 Mar 5 02:52 dnssd
> -rwxr--r-- 5 root root 63516 Mar 5 02:52 http
> -rwxr--r-- 5 root root 63516 Mar 5 02:52 https
> -rwxr--r-- 5 root root 63516 Mar 5 02:52 ipp
> -rwxr--r-- 5 root root 63516 Mar 5 02:52 ipps
> -rwxr--r-- 2 root root 38744 Mar 5 02:52 lpd
> -rwxr--r-- 3 root root 18096 Mar 5 02:52 mdns
> -rwxr-xr-x 1 root root 17924 Mar 7 09:04 parallel
> -rwxr-xr-x 1 root root 13800 Mar 7 09:04 serial
> -r-xr-xr-x 2 root root 22252 Mar 5 02:52 snmp
> -r-xr-xr-x 2 root root 30488 Mar 5 02:52 socket
> -r-xr--r-- 2 root root 30460 Mar 5 02:52 usb

Ihis is identical to mine but. unlike your situation, the parallel port
is listed in 'lpinfo -v' and /usr/lib/cups/backend/parallel gives

direct parallel:/dev/lp0 "unknown" "LPT #1" "" "" ,

which is ok because there is no printer present

You get parport_pc and parport inserted into the kernel but one would
expect a line identifying a switched on and connected printer. Maybe
not all printers report themselves correctly but it is of concern. CUPS
later loads the lp module without a complaint.

The BIOS has settings for the parallel port. I've used ECP and EPP but
really don't see either making any difference. It seems like the kernel
is not getting some information about the port, so there is nothing to
pass on to CUPS. You do have the latest kernel, I hope.

Doing 'ls -l /dev/lp0 /dev/parport0' here has the outcome:

crw-rw---- 1 root lp 6, 0 2012-02-14 16:34 /dev/lp0
crw-rw---- 1 root lp 99, 0 2012-02-14 16:34 /dev/parport0

You could see where you get with altering the ownership and/or modes of
these files.

chown lp.lp /dev/lp0 /dev/parport0
chmod 666 /dev/lp0 /dev/parport0

Not that I'm recommending this as permanent solution if it works, but my
cupboard of decent ideas is now empty!

===================================
Brian -

Thank you.

Made the changes. Rebooted. Found Driver, Installed. rebooted. The
system finds the printer. Still won't print.


Any ideas? All are welcome to reply.

Ethan



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Jasper NoŽ 03-12-2012 02:30 PM

CUPS Again - Any ideas from the list?
 
Recently I spent a day sitting in front of a not working printer.
In this case USB.
Stopped working after upgrade from lenny to squeeze.
Removing and reinstalling cups did not do it.
Finally inside cups removing the printer and let cups search for a new
printer did it.


I am afraid this is not going to help you.

--Jasper.


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Ken Wahl 03-15-2012 03:28 PM

CUPS Again - Any ideas from the list?
 
On Mon, Mar 12, 2012 at 10:49:51AM -0400, Ethan Rosenberg wrote:
> Brian -
>
> Thank you.
>
> Made the changes. Rebooted. Found Driver, Installed. rebooted. The
> system finds the printer. Still won't print.
>
> Any ideas? All are welcome to reply.
>
> Ethan

I'm running testing, a Brother HL-2040 connected via LPT and got bit by
this bug last night. Took embarasssingly long for me to figure
out.

http://aptosid.com/index.php?name=PNphpBB2&file=viewtopic&t=2150

http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=659736

https://bugs.launchpad.net/ubuntu/+source/cups-filters/+bug/936647

I'm not sure if this is your same problem or not but I had looked
through the d-u archives first for threads about cups problems and this
is the only recent one.

The fix for me was installing the cups-filters version from unstable.
--
Ken Wahl


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