HP Color LaserJet CP2020 Series - Software Technical Reference

If Automatic IP is configured, the Manual IP Address configuration settings are disabled, but the values
for these settings are still displayed if they have been set.
If the configuration is switched from Automatic IP to Manual IP, the IP Address fields are cleared, and
the desired IP Address must be entered before continuing.
Click Apply to keep changes. When Apply is clicked, a confirmation dialog asks for confirmation. Click
Yes to continue.
Figure 2-64 HP EWS IPv4 Configuration screen
IPv6 Configuration
The IPv6 Configuration screen shows the status of the IPv6 Network configuration settings. This screen
is read-only and no settings can be modified here.
ENWW HP Embedded Web Server 107
Software Description