Lexmark MS812dn / MS812dtn
Before connecting the printer to a wireless network, make sure that:
Using the Push Button Configuration method
Depending on your printer model, navigate to either of the following:
Follow the instructions on the printer display.
Using the Personal Identification Number (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.
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 setting.