How to reset Brother MFC-9340CDW toner cartridges
Brother MFC-9340CDW - Reset Drum
After installing a new drum unit, the printer needs to be reset.
- Press “X” to clear the error message.
- Press the...
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At first you get the "Toner Low" and then the "Toner Life End" message. The following instruction shows how to reset low toner message on your Brother MFC 9840...