Brother TN240 HL3040CN Reset Toner Message
Open the front cover that gives you access to the toners. Press and hold the “Secure Print” and “Cancel” buttons at the same time. You will see “K-TNR-STD” displayed on the screen (if not displayed, see Note 2 below). Using the “+” and “-” buttons select the toner you want to reset. Press the “Ok”…