Brother HL-2270DW

Override Low Toner Warning

To set the printer to 'Continue' mode to override a low toner indication.

1. Open the front cover and leave open while completing the following steps.
2. Turn the printer off.
3. Hold the 'go' button (or "start' button) while turning the printer on. All panel lights should be on.
4. Release the 'go' button (or "start' button).
5. Press the 'go' button (or "start' button) 2 times.
6. Pause. All panel lights should be on.
7. Press the 'go' button (or "start' button) 5 times. The toner light should be off (error MAY be flashing). The paper light MAY be on or flashing.
8. Close cover. The ready light should be the only light on.

From Fix Your Own Printer forum