Oce CS2436 User Manual page 559

Network Setting (CS2436-9)
11.
Press the Menu button.
If you have changed the settings, a confirmation message is displayed. Press
select Yes, and then press the OK button.
Important
Be sure to complete step 11. This will activate the values you have entered.
You can also specify the subnet mask and default gateway on the Control
Panel.
Note
If an error message is displayed, check the settings and correct any invalid
values.
or to