This is from the cups error log :

D [07/Mar/2010:16:18:42 -0500] cupsdNetIFUpdate: "lo" = localhost:631
D [07/Mar/2010:16:18:42 -0500] cupsdNetIFUpdate: "lo" = localhost:631
D [07/Mar/2010:16:18:42 -0500] cupsdNetIFUpdate: "eth0" = 192.168.1.31:0
D [07/Mar/2010:16:18:42 -0500] Report: clients=0
D [07/Mar/2010:16:18:42 -0500] Report: jobs=10
D [07/Mar/2010:16:18:42 -0500] Report: jobs-active=0
D [07/Mar/2010:16:18:42 -0500] Report: printers=2
D [07/Mar/2010:16:18:42 -0500] Report: printers-implicit=0
D [07/Mar/2010:16:18:42 -0500] Report: stringpool-string-count=520
D [07/Mar/2010:16:18:42 -0500] Report: stringpool-alloc-bytes=7864
D [07/Mar/2010:16:18:42 -0500] Report: stringpool-total-bytes=12112
D [07/Mar/2010:16:18:46 -0500] cupsdAcceptClient: 10 from localhost:631 (IPv4)
D [07/Mar/2010:16:18:46 -0500] cupsdReadClient: 10 GET /admin HTTP/1.1
D [07/Mar/2010:16:18:46 -0500] cupsdSetBusyState: Active clients
D [07/Mar/2010:16:18:46 -0500] cupsdAuthorize: No authentication data provided.
D [07/Mar/2010:16:18:46 -0500] [CGI] argv[0] = "/usr/lib/cups/cgi-bin/admin.cgi"
D [07/Mar/2010:16:18:46 -0500] [CGI] envp[0] = "CUPS_CACHEDIR=/var/cache/cups"
D [07/Mar/2010:16:18:46 -0500] [CGI] envp[1] = "CUPS_DATADIR=/usr/share/cups"
D [07/Mar/2010:16:18:46 -0500] [CGI] envp[2] = "CUPS_DOCROOT=/usr/share/doc/packages/cups"
D [07/Mar/2010:16:18:46 -0500] [CGI] envp[3] = "CUPS_FONTPATH=/usr/share/cups/fonts"
D [07/Mar/2010:16:18:46 -0500] [CGI] envp[4] = "CUPS_REQUESTROOT=/var/spool/cups"
D [07/Mar/2010:16:18:46 -0500] [CGI] envp[5] = "CUPS_SERVERBIN=/usr/lib/cups"
D [07/Mar/2010:16:18:46 -0500] [CGI] envp[6] = "CUPS_SERVERROOT=/etc/cups"
D [07/Mar/2010:16:18:46 -0500] [CGI] envp[7] = "CUPS_STATEDIR=/var/run/cups"
D [07/Mar/2010:16:18:46 -0500] [CGI] envp[8] = "HOME=/var/spool/cups/tmp"
D [07/Mar/2010:16:18:46 -0500] [CGI] envp[9] = "PATH=/usr/lib/cups/filter:/usr/bin:/usr/sbin:/bin:/usr/bin"
D [07/Mar/2010:16:18:46 -0500] [CGI] envp[10] = "SERVER_ADMIN=root@hpevo1"
D [07/Mar/2010:16:18:46 -0500] [CGI] envp[11] = "SOFTWARE=CUPS/1.4.2"
D [07/Mar/2010:16:18:46 -0500] [CGI] envp[12] = "TMPDIR=/var/spool/cups/tmp"
D [07/Mar/2010:16:18:46 -0500] [CGI] envp[13] = "USER=root"
D [07/Mar/2010:16:18:46 -0500] [CGI] envp[14] = "CUPS_SERVER=/var/run/cups/cups.sock"
D [07/Mar/2010:16:18:46 -0500] [CGI] envp[15] = "CUPS_ENCRYPTION=IfRequested"
D [07/Mar/2010:16:18:46 -0500] [CGI] envp[16] = "IPP_PORT=631"
D [07/Mar/2010:16:18:46 -0500] [CGI] envp[17] = "LANG=en_US.UTF8"
D [07/Mar/2010:16:18:46 -0500] [CGI] envp[18] = "REDIRECT_STATUS=1"
D [07/Mar/2010:16:18:46 -0500] [CGI] envp[19] = "GATEWAY_INTERFACE=CGI/1.1"
D [07/Mar/2010:16:18:46 -0500] [CGI] envp[20] = "SERVER_NAME=localhost"
D [07/Mar/2010:16:18:46 -0500] [CGI] envp[21] = "SERVER_PORT=631"
D [07/Mar/2010:16:18:46 -0500] [CGI] envp[22] = "REMOTE_ADDR=127.0.0.1"
D [07/Mar/2010:16:18:46 -0500] [CGI] envp[23] = "REMOTE_HOST=localhost"
D [07/Mar/2010:16:18:46 -0500] [CGI] envp[24] = "SCRIPT_NAME=/admin"
D [07/Mar/2010:16:18:46 -0500] [CGI] envp[25] = "SCRIPT_FILENAME=/usr/share/doc/packages/cups/admin"
D [07/Mar/2010:16:18:46 -0500] [CGI] envp[26] = "SERVER_PROTOCOL=HTTP/1.1"
D [07/Mar/2010:16:18:46 -0500] [CGI] envp[27] = "HTTP_USER_AGENT=Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.9.1.8) Gecko/20100204 SUSE/3.5.8-0.1.1 Firefox/3.5.8"
D [07/Mar/2010:16:18:46 -0500] [CGI] envp[28] = "HTTP_REFERER=http://localhost:631/printers/Photosmart_C7200"
D [07/Mar/2010:16:18:46 -0500] [CGI] envp[29] = "REQUEST_METHOD=GET"
D [07/Mar/2010:16:18:46 -0500] [CGI] envp[30] = "QUERY_STRING="
D [07/Mar/2010:16:18:46 -0500] [CGI] Started /usr/lib/cups/cgi-bin/admin.cgi (PID 8349)
I [07/Mar/2010:16:18:46 -0500] Started "/usr/lib/cups/cgi-bin/admin.cgi" (pid=8349)
D [07/Mar/2010:16:18:46 -0500] cupsdSendCommand: 10 file=11
D [07/Mar/2010:16:18:46 -0500] [CGI] admin.cgi started...
D [07/Mar/2010:16:18:46 -0500] [CGI] http=0xb782c2e0
D [07/Mar/2010:16:18:46 -0500] [CGI] No form data, showing main menu...
D [07/Mar/2010:16:18:46 -0500] [CGI] /usr/share/cups/drivers/pscript5.dll: No such file or directory
D [07/Mar/2010:16:18:46 -0500] cupsdAcceptClient: 12 from localhost (Domain)
D [07/Mar/2010:16:18:46 -0500] cupsdReadClient: 12 POST / HTTP/1.1
D [07/Mar/2010:16:18:46 -0500] cupsdAuthorize: No authentication data provided.
D [07/Mar/2010:16:18:46 -0500] cupsdReadClient: 12 1.1 Get-Subscriptions 1
D [07/Mar/2010:16:18:46 -0500] Get-Subscriptions ipp://localhost/
D [07/Mar/2010:16:18:46 -0500] Get-Subscriptions client-error-not-found: No subscriptions found.
D [07/Mar/2010:16:18:46 -0500] Returning IPP client-error-not-found for Get-Subscriptions (ipp://localhost/) from localhost
D [07/Mar/2010:16:18:46 -0500] PID 8349 (/usr/lib/cups/cgi-bin/admin.cgi) exited with no errors.
D [07/Mar/2010:16:18:46 -0500] cupsdReadClient: 12 WAITING Closing on EOF
D [07/Mar/2010:16:18:46 -0500] cupsdCloseClient: 12
D [07/Mar/2010:16:18:46 -0500] [CGI] lang="en_US.UTF8", locale="/en_US"...
D [07/Mar/2010:16:18:46 -0500] Script header: Content-Type: text/html;charset=utf-8
D [07/Mar/2010:16:18:46 -0500] Script header: 
D [07/Mar/2010:16:18:46 -0500] [CGI] lang="en_US.UTF8", locale="/en_US"...
D [07/Mar/2010:16:18:46 -0500] cupsdSetBusyState: Not busy
D [07/Mar/2010:16:18:46 -0500] [CGI] lang="en_US.UTF8", locale="/en_US"...
D [07/Mar/2010:16:18:50 -0500] cupsdReadClient: 10 GET /admin/log/error_log HTTP/1.1
D [07/Mar/2010:16:18:50 -0500] cupsdSetBusyState: Active clients
D [07/Mar/2010:16:18:50 -0500] cupsdAuthorize: No authentication data provided.