I didn't before (not part of the installation routine), but following your suggestion I tried again after deletion. See results below. Thank you anyway again, John.
Petschorin
31.05.12 22:14:23,933 Installer: @(#)PROGRAM:Install PROJECT:Install-690
31.05.12 22:14:23,933 Installer: @(#)PROGRAM:Installer PROJECT:Installer-537
31.05.12 22:14:23,933 Installer: Hardware: iMac12,1 @ 2.50 GHz (x 4), 4096 MB RAM
31.05.12 22:14:23,933 Installer: Running OS Build: Mac OS X 10.7.4 (11E53)
31.05.12 22:14:23,994 Installer: Samsung-Druckersoftware Installation Log
31.05.12 22:14:23,994 Installer: Opened from: /Volumes/Samsung Printer Drivers/SamsungPrinterDrivers.pkg
31.05.12 22:14:30,075 Installer: InstallerStatusNotifications plugin loaded
31.05.12 22:14:38,381 Installer: =============================================================================== =
31.05.12 22:14:38,381 Installer: User picked Standard Install
31.05.12 22:14:38,381 Installer: Choices selected for installation:
31.05.12 22:14:38,381 Installer: Aktualisieren: "Samsung-Druckersoftware"
31.05.12 22:14:38,381 Installer: Aktualisieren: "(null)"
31.05.12 22:14:38,381 Installer: =============================================================================== =
31.05.12 22:14:38,468 Installer: Configuring volume "Macintosh HD"
31.05.12 22:14:38,469 Installer: Free space on "Macintosh HD": 448,97 GB (448967716864 bytes).
31.05.12 22:14:38,469 Installer: Create temporary directory "/var/folders/ks/r04n358n45sg2d1wj6nfcqxr0000gn/T//Install.273uh7lM9"
31.05.12 22:14:38,474 Installer: IFPKInstallElement (1 packages)
31.05.12 22:14:38,567 authorizationhost: SFBuiltinEntitled: Installer.app is not entitled for system.install.apple-software
31.05.12 22:14:38,588 authorizationhost: SFBuiltinEntitled: Installer.app is not entitled for system.install.app-store-software
31.05.12 22:14:38,608 authorizationhost: SFBuiltinEntitled: Installer.app is not entitled for system.install.app-store-software
31.05.12 22:14:38,608 com.apple.SecurityServer: Failed to authorize right 'system.install.app-store-software' by client '/System/Library/PrivateFrameworks/PackageKit.framework/Versions/A/Resources/in stalld' [285] for authorization created by '/System/Library/CoreServices/Installer.app' [273]
31.05.12 22:14:38,617 installd: PackageKit: ----- Begin install -----
31.05.12 22:14:43,429 installd: Installed "Samsung-Druckersoftware" ()
31.05.12 22:14:43,447 installd: PackageKit: ----- End install -----
31.05.12 22:14:43,627 Installer: Running install actions
31.05.12 22:14:43,628 Installer: Removing temporary directory "/var/folders/ks/r04n358n45sg2d1wj6nfcqxr0000gn/T//Install.273uh7lM9"
31.05.12 22:14:43,631 Installer: Finalize disk "Macintosh HD"
31.05.12 22:14:43,632 Installer: Notifying system of updated components
31.05.12 22:14:43,632 Installer: **** Summary Information ****
31.05.12 22:14:43,632 Installer: Operation Elapsed time
31.05.12 22:14:43,632 Installer: -----------------------------
31.05.12 22:14:43,632 Installer: disk 0.00 seconds
31.05.12 22:14:43,632 Installer: script 0.00 seconds
31.05.12 22:14:43,632 Installer: zero 0.01 seconds
31.05.12 22:14:43,632 Installer: install 5.15 seconds
31.05.12 22:14:43,632 Installer: -total- 5.16 seconds
31.05.12 22:14:43,789 Installer: IFDInstallController B0C33FB0 state = 5
31.05.12 22:14:43,789 Installer: Displaying 'Install Succeeded' UI.
31.05.12 22:14:46,970 com.apple.SecurityServer: Session 100007 created
31.05.12 22:14:50,149 com.apple.backupd: Starting standard backup
31.05.12 22:14:50,151 com.apple.backupd: Error -35 while resolving alias to backup target
31.05.12 22:14:55,226 System Preferences: Could not find image named 'red'.
31.05.12 22:15:00,163 com.apple.backupd: Backup failed with error: 19
31.05.12 22:15:47,235 System Preferences: Could not find image named 'red'.
31.05.12 22:15:48,000 kernel: AddPrinter[547] uses send/recv on a pipe
31.05.12 22:15:56,062 com.apple.SecurityServer: Session 100008 created
31.05.12 22:16:06,075 Preview: Could not find image named 'GenericPrinter'.
31.05.12 22:16:08,318 Preview: Incorrect NSStringEncoding value 0x0000 detected. Assuming NSASCIIStringEncoding. Will stop this compatiblity mapping behavior in the near future.
31.05.12 22:16:08,319 Preview: Incorrect NSStringEncoding value 0x0000 detected. Assuming NSASCIIStringEncoding. Will stop this compatiblity mapping behavior in the near future.
31.05.12 22:16:08,319 Preview: Exception calling summaryInfo: for plugin <PrinterPDE: 0x7fb4f96b3e90> : -[__NSCFDictionary setObject:forKey:]: attempt to insert nil key
31.05.12 22:16:08,901 Preview: Warning: NSBundle NSBundle </Library/Printers/Samsung/PDEs/Graphic2.bundle> (loaded) was released too many times. For compatibility, it will not be deallocated, but this may change in the future. Set a breakpoint on __NSBundleOverreleased() to debug
31.05.12 22:16:08,901 Preview: Warning: NSBundle NSBundle </Library/Printers/Samsung/PDEs/Output.bundle> (loaded) was released too many times. For compatibility, it will not be deallocated, but this may change in the future. Set a breakpoint on __NSBundleOverreleased() to debug
31.05.12 22:16:08,901 Preview: Warning: NSBundle NSBundle </Library/Printers/Samsung/PDEs/Printer.bundle> (loaded) was released too many times. For compatibility, it will not be deallocated, but this may change in the future. Set a breakpoint on __NSBundleOverreleased() to debug
31.05.12 22:16:25,449 Preview: Could not find image named 'GenericPrinter'.
31.05.12 22:16:27,150 Preview: Incorrect NSStringEncoding value 0x0000 detected. Assuming NSASCIIStringEncoding. Will stop this compatiblity mapping behavior in the near future.
31.05.12 22:16:27,150 Preview: Incorrect NSStringEncoding value 0x0000 detected. Assuming NSASCIIStringEncoding. Will stop this compatiblity mapping behavior in the near future.
31.05.12 22:16:27,151 Preview: Exception calling summaryInfo: for plugin <PrinterPDE: 0x7fb4faac5880> : -[__NSCFDictionary setObject:forKey:]: attempt to insert nil key
31.05.12 22:16:27,740 Preview: Warning: NSBundle NSBundle </Library/Printers/Samsung/PDEs/Graphic2.bundle> (loaded) was released too many times. For compatibility, it will not be deallocated, but this may change in the future. Set a breakpoint on __NSBundleOverreleased() to debug
31.05.12 22:16:27,740 Preview: Warning: NSBundle NSBundle </Library/Printers/Samsung/PDEs/Graphic2.bundle> (loaded) was released too many times. For compatibility, it will not be deallocated, but this may change in the future. Set a breakpoint on __NSBundleOverreleased() to debug
31.05.12 22:16:27,741 Preview: Warning: NSBundle NSBundle </Library/Printers/Samsung/PDEs/Output.bundle> (loaded) was released too many times. For compatibility, it will not be deallocated, but this may change in the future. Set a breakpoint on __NSBundleOverreleased() to debug
31.05.12 22:16:27,741 Preview: Warning: NSBundle NSBundle </Library/Printers/Samsung/PDEs/Output.bundle> (loaded) was released too many times. For compatibility, it will not be deallocated, but this may change in the future. Set a breakpoint on __NSBundleOverreleased() to debug
31.05.12 22:16:27,741 Preview: Warning: NSBundle NSBundle </Library/Printers/Samsung/PDEs/Printer.bundle> (loaded) was released too many times. For compatibility, it will not be deallocated, but this may change in the future. Set a breakpoint on __NSBundleOverreleased() to debug
31.05.12 22:16:27,741 Preview: Warning: NSBundle NSBundle </Library/Printers/Samsung/PDEs/Printer.bundle> (loaded) was released too many times. For compatibility, it will not be deallocated, but this may change in the future. Set a breakpoint on __NSBundleOverreleased() to debug