The Brother HL-L2300D printer may report low toner when there is still toner left in the cartridge. This error will not always be resolved by replacing the toner. Complete the following steps to reset the toner counter.

1. Press and Hold the Power button until the machine turns off
2. Open the Toner Door
3. Press and Hold the Go button until step 5
4. Press the Power button
5. Release the Go button when the Toner, Paper, and Drum lights are lit
6. Press the Go button 9 times
7. Wait for the Toner, Paper, and Drum lights to be lit
8. Press the Go button 5 times
9. Close the Toner Door