printer do not work

opensuse 11.3,canon IP4760
my printer works well in opensuse 11.2,after install opensuse 11.3,it fails to work.Install driver as follow
canon ip4760 64 bit driver.
I find error some message in log file:


E [11/Sep/2010:14:50:12 +0800] [cups-driverd] Skipping "/usr/share/ppd": loop detected!                                                       
E [11/Sep/2010:14:58:08 +0800] Returning IPP client-error-document-format-not-supported for Print-Job (ipp://localhost/printers/canonip4700ser
E [11/Sep/2010:14:59:12 +0800] [cups-driverd] Skipping "/usr/share/ppd": loop detected!                                                       
E [11/Sep/2010:15:06:44 +0800] [cups-driverd] Skipping "/usr/share/ppd": loop detected!                                                       
E [11/Sep/2010:15:11:16 +0800] [cups-driverd] Skipping "/usr/share/ppd": loop detected!                                                       
E [11/Sep/2010:15:28:11 +0800] [cups-driverd] Skipping "/usr/share/ppd": loop detected!                                                       
E [11/Sep/2010:16:11:25 +0800] [cups-driverd] Skipping "/usr/share/ppd": loop detected!                                                       
E [11/Sep/2010:16:15:04 +0800] [cups-driverd] Skipping "/usr/share/ppd": loop detected!                                                       
E [11/Sep/2010:16:26:43 +0800] copy_model: empty PPD file!                                                                                    
E [11/Sep/2010:16:26:43 +0800] Returning IPP server-error-internal-error for CUPS-Add-Modify-Printer (ipp://localhost/printers/canonip4700seri
E [11/Sep/2010:16:26:43 +0800] Returning HTTP Forbidden for CUPS-Add-Modify-Printer (ipp://localhost/printers/canonip4700series) from localhos
E [11/Sep/2010:16:27:41 +0800] cupsdAuthorize: pam_authenticate() returned 7 (Authentication failure)!                                        
E [11/Sep/2010:16:27:41 +0800] cupsdAuthorize: pam_authenticate() returned 7 (Authentication failure)!                                        
E [11/Sep/2010:16:28:04 +0800] Returning IPP client-error-document-format-not-supported for Print-Job (ipp://localhost/printers/canonip4700ser
E [11/Sep/2010:16:29:18 +0800] [cups-driverd] Skipping "/usr/share/ppd": loop detected!                                                       
E [11/Sep/2010:16:31:01 +0800] [cups-driverd] Skipping "/usr/share/ppd": loop detected!

when I start print works,my printer just make some noise,seem to do prepared word for printing,after that no essential print work done;

Try it:

canon ip4760 64 bit driver

canon ip4760 printer driver in opensuse 11.3