Prerequisits
Some things before we get startet:

• This solution needs _no_ SAMBA to use the Linux printer within Windows.
• As far as I know IPP is supported natively by Windows 2000 or later. For earlier versions like Windows 98 or something there might be some software you can install to make your Windows speak IPP. But I don’t know about that for sure. Comments appreciated ;)
• CUPS makes all printers available via IPP by standard but you might have to allow access for the Windows clients in /etc/cups/cupsd.conf manually (another article about that will be linked here later)

Printer setup in Windows

Step 1:

Select under Start->Settings->Printers and Fax the option “add new printer” on the left.

Step 2:

After the add-new-printer-guide has opened select “add network printer” and click “next”.

Step 3:

It’s getting a bit more interesting here ;)
First select the option “Connect to printer on the Internet” and then type into the field “URL” exactly the address of the printer according to the following scheme:
http://{IP_of_the_CUPS_server}:631/printers/{printer_name}

In my case it looks like this:
http://192.168.0.1:631/printers/hp

Last step:

If finally everything went well it should look like on the screenshot here.
The printer should display correct status information and all waiting print jobs in the queue. Although is the interface limited to reading out this information. Sending of commands like aborting a print job or starting/stopping the printer do not work out of the box. This is due to some restrictions in this early CUPS version (SuSE 9.0).

Annotations
Unfortunately communication between Windows clients and the CUPS Server of SuSE 9.0 does not work flawlessly. One problem is that various authentication and user management issues prevent CUPS from receiving and/or executing control commands from the Windows client like the abortion of an enqueued print job.

Another problem has appeared with my USB printer. When I switched off my USB printer, CUPS updated it’s status to “deactivated” which effectively prevents all print jobs in the queue from ever beeing printed since CUPS does not reactivate the printer when I switch the power on again :()

These and other problems will be subject of some future articles about CUPS and it’s configuration.

Edit: I solved the problem with CUPS deactivating the printing queue on printer shut off by writing a script for activating/deactivating the queue automatically according to the printer power state.