huge log file

i install dapper drake last week and something weard starts hapenning! i get with no space on disk!!

i tried to find where the space goes and it is going to a log file named "error_log"
at /var/log/cups/error_log ! here i have two files one has 17GB and the other 7GB! i get with no space in 3-4 hours ... it is weard!!!
the log file look's like this:

admin@servidor:/var/log/cups$ cat error_log
I [04/Apr/2006:08:53:21 +0100] Listening to :631 (IPv4)
I [04/Apr/2006:08:53:21 +0100] Loaded configuration file "/etc/cups/cupsd.conf"
I [04/Apr/2006:08:53:21 +0100] Cleaning out old temporary files in "/var/spool/cups/tmp"...
I [04/Apr/2006:08:53:21 +0100] Configured for up to 100 clients.
I [04/Apr/2006:08:53:21 +0100] Allowing up to 100 client connections per host.
I [04/Apr/2006:08:53:21 +0100] Using policy "default" as the default!
I [04/Apr/2006:08:53:21 +0100] Full reload is required.
I [04/Apr/2006:08:53:21 +0100] Loaded MIME database from '/etc/cups': 32 types, 39 filters...E [04/Apr/2006:08:53:36 +0100] CUPS-Get-Default client-e
E [04/Apr/2006:08:53:21 +0100] cupsdLoadAllPrinters: Unable to open /etc/cups/printers.conf - No such file or directory
E [04/Apr/2006:08:53:21 +0100] cupsdLoadAllClasses: Unable to open /etc/cups/classes.conf - No such file or directory
E [04/Apr/2006:08:53:21 +0100] LoadAllSubscriptions: Unable to open /etc/cups/subscriptions.conf - No such file or directory
I [04/Apr/2006:08:53:21 +0100] Full reload complete.
I [04/Apr/2006:08:53:21 +0100] cupsdStartListening: Listening to 127.0.0.1:631 on fd 0...
E [04/Apr/2006:08:53:21 +0100] CUPS-Get-Default client-error-not-found: No default printer
E [04/Apr/2006:08:53:21 +0100] CUPS-Get-Printers client-error-not-found: No destinations added.
E [04/Apr/2006:08:53:26 +0100] CUPS-Get-Default client-error-not-found: No default printer
E [04/Apr/2006:08:53:26 +0100] CUPS-Get-Printers client-error-not-found: No destinations added.
E [04/Apr/2006:08:53:31 +0100] CUPS-Get-Default client-error-not-found: No default printer
E [04/Apr/2006:08:53:31 +0100] CUPS-Get-Printers client-error-not-found: No destinations added.