1st Paper Eject Tray Pre-Eject Sensor paper jam error
Error code
- 79 1st Paper Eject Tray Pre-Eject Sensor paper jam error
Occurrence condition
- The sensor detected paper presence when the power was turned on, when the product recovered from the power saving mode, or when the cover was opened and closed.
Related parts
- Sensor
- Harness
- Mechanical control board
Troubleshooting
| Step | Confirmation and action | YES | NO |
|---|---|---|---|
| 1 | Check paper transport path Is there any foreign matter, paper chips, etc. in the paper transport path? |
Remove any foreign objects or pieces of paper |
Go to step 2 |
| 2 | Check the sensors for dirt and installation Is the sensor for detecting stuck jam free of dirt and properly installed? |
Go to step 3 | Clean or reinstall the sensor |
| 3 | Check the operation of the sensor for detecting paper stuck jam Check the sensor operation using the diagnostic function. Does the signal change between when the paper is placed and when it is not? |
End | Go to step 4 |
| 4 | Check sensor installation and connection Is the sensor installed improperly? Is the connector not fully inserted? |
Fully insert the connectors. | Replace sequentially
|