Dell 3115cn Color Laser Printer User Manual page 129

12. You can change the Printer Name and driver setup according to your requirement. When you select the
Fixed IP option button for IP Address assignment , click Change... and enter the IP address and
subnet mask on the screen.
NOTE: When you enter a fixed IP address, avoid the "169.254.xxx.xxx" address used by AutoIP.
13. Click Next when you are done.