This application comes with great documentation. Get the web browser portion working, and you can see comprehensive documentation.
To allow cancel from the web browing interface you will need to enable some form of web browser login. E.g.: AuthType: Basic
Add host name of cups server to: c:\windows\system\drivers\etc\hosts (I coulnd't add ip address as location of printer). Then add a network printer and specify that windows should connect to a network printer as http://name_in_hosts_file:631/printers/printer_name
To use windows driver setup a raw printer under CUPS and select the correct driver under Windows
To use the CUPS printer driver, choose a printer under windows that is postscript (e.g. "HP Laserjet IIIp Postscript")