(MANUALLY CHANGE THE IP ADRESS FOR HP SCAN APP IN THE REGISTRY)
Computer\HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Control\Class\{6bdd1fc6-810f-11d0-bec7-08002be2092f}\0001\DeviceData
(EXAMPLE)
1. Go to the IP address of the printer via web browser.
2. Go to Network - General - Network Summary; to get the Data for the Registry String.
Host Name: HP758559
IP Address: 10.241.43.157
Hardware (MAC) Address: E070EA758559
NetworkDeviceID
\hostname:HP758559\ipaddr:10.241.43.157\guid:urn:uuid:6f70087a-7a39-514d-7657-0e6ec7edd777\macaddr:e070ea758559\port:1