Access to Windows 7 printer

[rgaelzer]

I'm not able to access a printer attached to a Windows 7 server.
My linux box:

• Fedora 13.
• Samba + Samba-client + samba-winbind + samba-winbind-clients installed
• Firewall: Samba & samba-client as Trusted Services
• SELinux disabled.

My windows 7 box:

• Workgroup active
• Homegroup active and joined.
• Password protected sharing turned off in both Home & Work and Public profiles.
• Guest account active.
• Using 128-bit encription for sharing.

What I tried to do:

1. Run system-config-printer.
2. Add new printer.
3. Select Device -> Network Printer -> Windows Printer via SAMBA.
4. SMB Printer -> Browse
5. SMB Browser: finds workgroup and server all right.
6. Clicking on workgroup, alter almost 1 minute asks for Username, Domain and Password.
7. Nothing I enter works...

Can anyone help me out here?
Thanks.