Tray Pre-Eject Sensor Paper Stuck Jam
Error code
- 79 Tray Pre-Eject Sensor Paper Stuck Jam
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
- Sensors
- Harness
- MCU 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 foreign matter, paper fragments, etc. |
Go to step 2 |
| 2 | Check for installation and dirt of sensor Is the sensor for detecting stuck jam free of dirt and properly installed? |
Go to step 3 | Cleaning and reinstalling the sensor |
| 3 | Check the operation of the sensor for detecting paper stuck jam Check the sensor operation using the diagnostic function. Judgment: Does the signal change between when the paper is placed and when it is not? |
End | Go to step 4 |
| 4 | Attach sensor and check connector connection Is there any abnormality in the sensor or half-inserted in the connector? |
Connect securely | Replace sequentially
|