The computer is using the incorrect IP address for the product
Open the printer properties and click the Ports tab. Verify that the current IP address for the
product is selected. The product IP address is listed on the product configuration page.
If you installed the product using the HP standard TCP/IP port, select the box labeled Always
print to this printer, even if its IP address changes.
Solve product connectivity problems
If you installed the product using a Microsoft standard TCP/IP port, use the hostname instead of
the IP address.
If the IP address is correct, delete the product and then add it again.