I still receive the error message "Replace Drum", "Drum End Soon", "Drum Near End", or "Drum Stop" after I replace the drum unit with a new one. | Brother
How to Replace Toner - Reset Toner Brother MFC7840N - Toner Life End Error | Hai Printer - YouTube
How to reset toner and drum counters on Brother Printers
Replace the toner cartridge | Brother
How to reset toner and drum counters on Brother Printers