9100 is the port commonly used by HP Jetdirect spec network
print servers. You already have port 9100 as part of the built
in TCP/IP protocol.
If you are trying to connect to a jet direct box
open the printers folder in control panel
add printer
<printer wizard opens>
click Next
select local printer and untick automatillay detect and install
etc .....
click Next
Click Create a new port
select
Standard TCP/IP port from the drop down
Click Next
<port wizard opens>
click next
add the ip address of your printer (the port name will self
populate )
click next
if you get a menu listing multi ports select the one your
printer uses on the network device ir parallel 1
click next
click Finish
