Error code 76
Print Unable 76
Turn the power off and then back on again.
Fuser unit failure (The center thermistor detects rapid temperature rising.)
Step | Cause | Remedy |
1 | Fuser unit failure | Replace the fuser unit. |
Error code 78
Print Unable 78
Turn the power off and then back on again.
Fuser unit failure (The center thermistor detects rapid temperature falling.)
Step | Cause | Remedy |
|
|
|
1 | Harness connection failure | Check the harness connection between the fuser |
| between fuser unit connector | unit connector and engine PCB, and reconnect it. |
| and engine PCB |
|
2 | Fuser unit failure | Replace the fuser unit. |
Error code 7CPrint Unable 7C
Turn the power off and then back on again.
Engine communication error
Step | Cause | Remedy |
|
|
|
1 | Harness connection failure | Check the harness connection between the |
| between engine PCB and | engine PCB and main PCB, and reconnect it. |
| main PCB |
|
2 | Engine PCB failure | Replace the engine PCB ASSY. |
|
|
|
3 | Main PCB failure | Replace the main PCB ASSY. |
|
|
|
Confidential |