I have the exact same problem and same error with Dapper Flight 7 when trying to add a Lexmark z53 from a LiveCD session:
E [07/May/2006:09:00:10 +0000] [cups-driverd] Unable to write "/var/cache/cups/ppds.dat" - Permission denied E [07/May/2006:09:00:23 +0000] CUPS-Add-Modify-Printer: Unauthorized
I have the exact same problem and same error with Dapper Flight 7 when trying to add a Lexmark z53 from a LiveCD session:
E [07/May/ 2006:09: 00:10 +0000] [cups-driverd] Unable to write "/var/cache/ cups/ppds. dat" - Permission denied 2006:09: 00:23 +0000] CUPS-Add- Modify- Printer: Unauthorized
E [07/May/