Pre-Registration Sensor Unreached Paper Jam (Paper Tray)
Error code
- 14 Pre-Registration Sensor Unreached Paper Jam (Paper Tray)
Occurrence condition
- When paper is fed from the Paper Tray, the Paper Tray Post-Pickup Sensor does not detect the paper after the specified time has elapsed since the Paper Tray Pickup Clutch is activated
Assumed cause
- Foreign objects or pieces of paper in the paper transport path
- The Paper Tray paper feed rollers (Paper Pickup Roller/Paper Retard Roller) are worn out, deformed, have fallen off, or have a dirty surface
- Malfunction of the retard torque limiter of the Paper Retard Roller Unit.
- The Feed 1 Roller and Feed 2 Roller are worn out, deformed, have fallen off, or have a dirty surface
- The Paper Tray Post-Pickup Sensor has a dirty surface, has fallen off, or is faulty
- The Pre-Registration Sensor has a dirty surface, has fallen off, or is faulty
- The Paper Tray Pickup Clutch has fallen off or is faulty
- The Feed 1 Clutch and Feed 2 Clutch have fallen off or are faulty
- Failure of the main unit motor that drives the paper feed mechanism
- Mechanical control board failure
Related parts
- Paper Tray paper feed related parts (Paper Tray Pickup Roller/Paper Tray Retard Roller, Paper Tray torque limiter, Paper Tray hopper, 1867596 MAGUCHI,MPT)
- All upstream Cassette Paper Feed Rollers
- Paper Tray Pickup Clutch
- Target and all upstream Cassette Paper Feed Clutches
- Inside the Right Cover (Right Door) Unit, Feed 1 Roller, Feed 1 Clutch
- Inside the main unit, Feed 2 Roller, Feed 2 Clutch
- Pre-Registration Sensor
- The main unit motor that drives the paper feed mechanism
- 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 paper feed rollers/sensors for dirt and installation Are the rollers listed in the “Assumed cause” section clean and installed properly? |
Go to step 3 | Clean and reinstall the paper feed rollers. |
| 3 | Check the paper feed rollers for deformation and wear Are the rollers listed in the “Related parts” section deformed or worn? |
Replace the worn out or deformed roller | Go to step 4 |
| 4 | Check the Torque Limiter Can you rotate the Retard Roller by hand? |
Go to step 5 | Replace the retard torque limiter. |
| 5 | Check the operation of the Paper Tray Post-Pickup Sensor Check the operation of the Paper Tray Post-Pickup Sensor with the diagnostic function. Does the signal change between when the paper is placed and when it is not? |
Go to step 7 | Go to step 6 |
| 6 | Check the Paper Tray Post-Pickup Sensor for installation, dirt, and connector connection Is the Paper Tray Post-Pickup Sensor installed improperly? Is there dirt on the sensor? Is the connector not fully inserted? |
Clean the sensor surface, or fully insert the connector. | Replace the sensor |
| 7 | Check the operation of the Pre-Registration Sensor Check the operation of the Pre-Registration Sensor with the diagnostic function. Does the signal change between when the paper is placed and when it is not? |
Go to step 9 | Go to step 8 |
| 8 | Check the Pre-Registration Sensor for installation, dirt, and connector connection Is the Registration Sensor installed improperly? Is there dirt on the sensor? Is the connector not fully inserted? |
Clean the sensor surface, or fully insert the connector. | Replace the sensor |
| 9 | Check the clutch installation Are the Paper Tray Pickup Clutch, Feed 1 Clutch and Feed 2 Clutch installed properly? |
Go to step 10 | Reinstall it properly. |
| 10 | Check the Paper Tray Pickup Clutch Check the operation of the Paper Tray Pickup Clutch with the diagnostic function. Does it make an operating sound (clutch connection sound)? |
Go to step 11 | Go to step 12 |
| 11 | Check the Feed 1 Clutch and Feed 2 Clutch Check the clutch operation with the diagnostic function. Does it make an operating sound (clutch connection sound)? |
Go to step 13 | Go to step 12 |
| 12 | Check the malfunctioning clutch for connection Are any of the connectors connecting the clutch not fully inserted? |
Fully insert the connectors | Replace the parts one by one.
|
| 13 | Check operation of the main unit motor Check the operation of the corresponding Main Unit Motor with the diagnostic function. Is there any abnormal noise? |
Replace the gear trains or the Main Unit Motor. | Replace the mechanical control board |