| E10 | Abnormal charge corona current |
| E11 | Abnormal transfer corona current |
| E12 | Discharge LED open or no +24 VDC |
| E13 | Correct toner density not obtained after 90 seconds. Toner supply and toner hopper have toner |
| E20 | Scanner motor speed is not stabilized after 7 seconds |
| E21 | Auto power control end signal of laser not detected |
| E25 | Main motor speed is not stabilized after 1 second |
| E26 | Fan motor is not on or no +24 VDC |
| E30 | Fuser temp over 446°F (230°C) or open thermistor |
| E31 | Fuser temp below 356°F (180°C) for 1 minute or fuser temp below 167°F (75°C) 40 seconds after power on |
| E80 | Fuser and transfer corona units reach time for replacement |
| E81 | Ozone filter reaches time for replacement |
