For Windows users
Open the printers folder.
From the shortcut menu of the printer with the new ISP, open the printer properties.
Configure the port from the list.
Update the IP address.
Apply the changes.
For Macintosh users
From System Preferences in the Apple menu, navigate to the list of printers, and then select + > IP.
Type the IP address in the address field.
Adjust the scaling ratio to reduce or enlarge your copy of an original document.
Activate the rear USB port to connect a computer or other peripheral to the printer.