Oce PlotWave 750 Operation Manual page 101

For example, click on the value of the [IP type] setting to display a window where you can change
the value.
NOTE
This window also contains a short explanation of the setting.
4. Set the [IP type] (IPv4 or IPv6 or both)
5. Click [Ok] to confirm your entries or [Cancel] to reject your entries.
6.
Restart the system to use the new network settings.
How to configure the network adapter in Océ Express WebTools
Chapter 3 - Define your workflow with Océ Express WebTools 101