I want to use a different Port number other than 631 with Windows® 2000/XP IPP. What should I do?
If you are using Port 631 for IPP printing, you may find that your firewall may not let the print data through. If this is the case, use a different port number (port 80), or configure your Firewall to allow Port 631 data through.
To send a print job using IPP to a printer/MFC/DCP using Port 80 (the standard HTTP port) enter the following when configuring your Windows® 2000/XP system.