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Unable to print "/dev/lp0": Permission denied



Hello,

Today I tried to print something on my Brother printer which used to work 
fine when I was running FC3, but today, narda, nothing. It doesn't want to 
print anything.
I tried to print a test page as root, but again, it doesn't want.
This is what I find in the /var/log/cups/error_log file :

>===================================================
I [22/May/2006:14:53:31 +0200] Saving remote.cache...
I [22/May/2006:14:53:31 +0200] Listening to 127.0.0.1:631 (IPv4)
I [22/May/2006:14:53:31 +0200] Loaded configuration file 
"/etc/cups/cupsd.conf"
N [22/May/2006:14:53:31 +0200] Group and SystemGroup cannot use the same 
groups!
I [22/May/2006:14:53:31 +0200] Resetting Group to "nobody"...
I [22/May/2006:14:53:31 +0200] Cleaning out old temporary files in 
"/var/spool/cups/tmp"...
I [22/May/2006:14:53:31 +0200] Configured for up to 100 clients.
I [22/May/2006:14:53:31 +0200] Allowing up to 100 client connections per 
host.
I [22/May/2006:14:53:31 +0200] Creating CUPS default administrative policy:
I [22/May/2006:14:53:31 +0200] <Policy default>
I [22/May/2006:14:53:31 +0200] <Limit Send-Document Send-URI Cancel-Job 
Hold-Job Release-Job Restart-Job Purge-Jobs Set-Job-Attributes 
Create-Job-Subscription Renew-Subscription Cancel-Subscription 
Get-Notifications Reprocess-Job Cancel-Current-Job Suspend-Current-Job 
Resume-Job CUPS-Move-Job CUPS-Authenticate-Job>
I [22/May/2006:14:53:31 +0200] Order Deny,Allow
I [22/May/2006:14:53:31 +0200] Require user @OWNER @SYSTEM
I [22/May/2006:14:53:31 +0200] </Limit>
I [22/May/2006:14:53:31 +0200] <Limit Pause-Printer Resume-Printer 
Set-Printer-Attributes Enable-Printer Disable-Printer 
Pause-Printer-After-Current-Job Hold-New-Jobs Release-Held-New-Jobs 
Deactivate-Printer Activate-Printer Restart-Printer Shutdown-Printer 
Startup-Printer Promote-Job Schedule-Job-After CUPS-Add-Printer 
CUPS-Delete-Printer CUPS-Add-Class CUPS-Delete-Class CUPS-Accept-Jobs 
CUPS-Reject-Jobs CUPS-Set-Default>
I [22/May/2006:14:53:31 +0200] Order Deny,Allow
I [22/May/2006:14:53:31 +0200] AuthType Basic
I [22/May/2006:14:53:31 +0200] Require user @SYSTEM
I [22/May/2006:14:53:31 +0200] </Limit>
I [22/May/2006:14:53:31 +0200] <Limit All>
I [22/May/2006:14:53:31 +0200] Order Deny,Allow
I [22/May/2006:14:53:31 +0200] </Limit>
I [22/May/2006:14:53:31 +0200] </Policy>
I [22/May/2006:14:53:31 +0200] Full reload is required.
I [22/May/2006:14:53:31 +0200] Saving job cache file 
"/var/cache/cups/job.cache"...
I [22/May/2006:14:53:31 +0200] Loaded MIME database from '/etc/cups': 33 
types, 38 filters...
I [22/May/2006:14:53:31 +0200] Loading job cache file 
"/var/cache/cups/job.cache"...
I [22/May/2006:14:53:31 +0200] Full reload complete.
I [22/May/2006:14:53:31 +0200] Listening to 127.0.0.1:631 on fd 0...
I [22/May/2006:14:53:36 +0200] Adding start banner page "none" to job 21.
I [22/May/2006:14:53:36 +0200] Job 21 queued on "Brother_HL1250" by "root".
I [22/May/2006:14:53:36 +0200] Started filter /usr/lib/cups/filter/pstops 
(PID 4854) for job 21.
I [22/May/2006:14:53:36 +0200] Started 
filter /usr/lib/cups/filter/foomatic-rip (PID 4855) for job 21.
I [22/May/2006:14:53:36 +0200] Started 
backend /usr/lib/cups/backend/parallel (PID 4856) for job 21.
E [22/May/2006:14:53:36 +0200] [Job 21] Unable to open parallel port device 
file "/dev/lp0": Permission denied
E [22/May/2006:14:53:36 +0200] PID 4856 (/usr/lib/cups/backend/parallel) 
stopped with status 1!
I [22/May/2006:14:53:36 +0200] Hint: Try setting the LogLevel to "debug" to 
find out more.
E [22/May/2006:14:53:38 +0200] PID 4855 (/usr/lib/cups/filter/foomatic-rip) 
stopped with status 9!
I [22/May/2006:14:53:38 +0200] Hint: Try setting the LogLevel to "debug" to 
find out more.
I [22/May/2006:14:53:38 +0200] [Job 21] Backend returned status 1 (failed)
I [22/May/2006:14:53:38 +0200] Saving printers.conf...
>===================================================

As reported in the log file, I get a :
E [22/May/2006:14:53:36 +0200] [Job 21] Unable to open parallel port device 
file "/dev/lp0": Permission denied

But even as root ??
Thank you in advance. Francois

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