Canon LBP7100Cn User Manual page 251

3
Specify the stateless address.
Proceed to Step 4 when not using a stateless address.
[Stateless Address]
4
Specify the manual address.
Proceed to Step 5 when not using a manual address.
[Manual Address]
[IP Address]
[Prefix Length]
[Default Router
To use a stateless address, select the check box.
To use a manual address, select the check box.
Enter the IP address of the printer.
Enter the prefix length.
Enter the default router address as needed.