Brother ML-2040 Toner Light Reset
When replacing the toner cartridge in the Brother HL-2040 with a new cartridge (compatible or remanufactured) the user may experience a problem with the toner light staying on, even with the new toner installed. The procedure below has worked for many folks, so give it a shot.
Open the front cover of the Brother HL-2040 and leave open while completing the following steps:
1.) Turn the printer off.
2.) Hold the ‘go’ button while turning the printer on. All panel lights should be on.
3.) Release the ‘go’ button once all lights are off.
4. )Press the ‘go’ button 2 times.
6.) Press the ‘go’ button 5 times.
7.) The toner light should be off.
8.) The paper light should be on.
9.) Close cover. The ready light should be the only light on.
Once all steps are successfully completed your “low toner” light should be fixed.
If you need a new Brother TN-350 toner cartridge, please visit our Brother TN-350 Toner Cartridge page.
More information can be found at: http://www.fixya.com/support/t143732-toner_led_remains_after_new_cartridge