How to reset your Brother TN450 / DR420 toner and drum units.

Your Brother printer is not accepting your new TN450 toner or the DR420 drum cartridges? Are you receiving one of the following messages: “Toner Low”, “Replace Toner” or “Toner Life End”? Here is an easy way to reset the cartridges: Brother TN450/420 Toner Manual Reset  For NEW Toners Only In DCP / MFC (Multifunction) Machines Open the front door. Message reads “Front Cover...