Before you begin, make sure that:
The access point (wireless router) is WPS-certified or WPS-compatible. For more information, see the documentation that came with your access point.
A wireless network adapter is installed in your printer. For more information, see the instructions that came with the adapter.
From the control panel, navigate to:
Settings > Network/Ports > Wireless > Wi-Fi Protected Setup > Start Push Button Method
Follow the instructions on the display.
From the control panel, navigate to:
Settings > Network/Ports > Wireless > Wi-Fi Protected Setup > Start PIN Method
Copy the eight-digit WPS PIN.
Open a Web browser, and then type the IP address of your access point in the address field.
Notes:
Access the WPS settings. For more information, see the documentation that came with your access point.
Enter the eight-digit PIN, and then save the changes.
Notes:
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.
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.
Apply the changes.