Service manual

229
SEP 2006
Ver. 1.1
DP-8020E/8020P/8016P
E4: Fuser Unit Error
Code Function Possible Cause(s)
E4- 01 Fuser Warm-up Temperature 1. Fuser Thermistor dirty.
2. Thermistor position incorrect.
3. Thermistor defective.
4. Thermistor connector disconnected.
5. Fuser Lamp connector disconnected.
6. Fuser Lamp defective.
7. Fuser Thermostat defective.
8. Thermal Fuse defective.
9. SPC PCB connector disconnected.
10. SPC PCB defective.
11. Fuser temperature low. (Adjust F6-31)
12. Incorrect SC PCB is installed.
13. Incorrect SPC PCB is installed.
E4- 02 Fuser Paper Jam 1. Paper Jam in Fuser Unit.
2. Paper Exit Sensor disconnected.
3. Paper Exit Sensor defective.
4. SPC PCB connector disconnected.
5. SPC PCB defective.
E4- 10 Fuser Fan Motor Rotation 1. Fuser Fan connector disconnected.
2. Fuser Fan defective.
3. SPC PCB connector disconnected.
4. SPC PCB defective.
5. PS defective.
E5: System Error
Code Function Possible Cause(s)
E5- 11 Printer Engine Communication
Abnormal
1. SPC PCB connector disconnected.
2. SPC PCB defective.
3. SC PCB connector disconnected.
4. SC PCB defective.
E5- 17 Scanner Synchronization
E5- 19 Scanner Line Synchronization
E5- 40 Sort Memory Abnormal 1. Sort Memory defective.
2. SC PCB connector disconnected.
3. SC PCB defective.
E5- 42 Total Counter Connection 1. Total Counter connector disconnected.
2. Total Counter defective.
3. SPC PCB connector disconnected.
4. SPC PCB defective.
E5- 60 Power Supply Cooling Fan
Motor Rotation
1. Cooling Fan connector disconnected.
2. Cooling Fan defective.
3. SPC PCB connector disconnected.
4. SPC PCB defective.
5. PS defective.
E7: Optional Unit Error
Code Function Check Points
E7- 90 Hardware Key Abnormal 1. Incorrect Hardware Key installed.
2. Hardware Key defective.