These steps will help you reset the low toner message:
1. Open front door
2. Turn off printer
3. While holding down the GO button, turn printer back on
4. When all four LEDs light up release GO button. All LEDs will turn off
5. Press the GO button 2 times. The 3 LEDs (toner, drum, paper) will light up solid
6. Press the GO button 5 times
7. Paper light will be blinking
8. At this point the toner end-of-life condition has been reset. Close front door.
*Also, just a reminder, timing is important here so don’t pause between button presses*
Source: http://supplies-outlet-blog.com/reset-the-low-toner-message/
