Lexmark MS812dn / MS812dtn
For more information, go to http://support.lexmark.com or contact customer support.
Depending on your printer model, touch Continue or press to clear the message and continue printing.
You can find here the maintenance kit replacement procedure for Lexmark MS81x, MS71x, MX81x, and MX71x Printer/MFP.
Lexmark Status Monitor Center Displays Incorrect Maintenance Kit Information
to clear the message and continue printing.