Oki CX2731MFP Advance User Manual page 87

When starting Network Configuration, the scanner driver installed in the
computer is displayed.
Changing a Scanner Driver Name
When a scanner driver name has been changed, select [Edit Driver
Name] from the [Scanner] menu and then change the scanner driver
name.
Changing the Setting Information of the MFP
When the IP address of the MFP and port number of the MFP have
been changed, start Network Configuration and then select [Edit
Scanner] from the [Scanner] menu.
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– Scanning: Drivers and Software
MC361/MC561/CX2731 MFP Advanced User's Guide