delete drivers

[Peter Blajev]

I have installed SAMBA-2.2.1a on SuSE-7.2 as a print server
and everything works just fine. Thanks to SAMBA Team. 
But for the first time I tried to 
delete a driver and got this error:

rpcclient $> enumdrivers

[Windows 4.0]
Printer Driver Info 1:
        Driver Name: [HP LaserJet 4/4M Plus PS 600]

[Windows NT x86]
Printer Driver Info 1:
        Driver Name: [HP LaserJet 4/4M Plus PS 600]

rpcclient $> deldriver "HP LaserJet 4/4M Plus PS 600"
Failed to remove driver HP LaserJet 4/4M Plus PS 600 for arch [Windows 4.0] - er
ror NT code 00000bb9!
Failed to remove driver HP LaserJet 4/4M Plus PS 600 for arch [Windows NT x86] -
 error NT code 00000bb9!
Failed to remove driver HP LaserJet 4/4M Plus PS 600 for arch [Windows NT R4000]
 - error NT code 00000705!
Failed to remove driver HP LaserJet 4/4M Plus PS 600 for arch [Windows NT Alpha_
AXP] - error NT code 00000705!
Failed to remove driver HP LaserJet 4/4M Plus PS 600 for arch [Windows NT PowerP
C] - error NT code 00000705!

Any ideas ...

Thanks
Peter