How to Prevent the 'Toner Life End' Message on the Brother 7820N
- 1). Turn the Brother 7820N printer on and wait for it to power on. Open the toner cartridge door, but do not pull the cartridge out.
- 2). Push the "Options" button. The location of this button is to the left of the control pad.
- 3). Type "00" on the keypad. This resets the printer so that it does not display the toner end of life message.