Cassette Paper Feed Error (C3)
Error code
- 8 Cassette Paper Feed Error (C3)
Occurrence condition
- The C3 Paper Feed Sensor does not detect the paper after the specified time has elapsed since the target Pickup Clutch is activated
Assumed cause
- Foreign objects or pieces of paper in the paper transport path
- The paper feed rollers are worn out, deformed, have fallen off, or have a dirty surface
- Malfunction of the retard torque limiter of the Pickup Unit.
- The C3 Paper Feed Sensor has a dirty surface, has fallen off, or is faulty
- The C3 Pickup Clutch has fallen off or is faulty.
- The C3 Pickup Roller Clutch has fallen off or is faulty
- C3C4 Drive Motor failure
- MCU Board, C3C4 Additional Main Board failure
Related parts
- Pickup Unit (Pickup roller, torque limiter, C3 paper feed sensor)
- Paper feed clutch for paper feed
- C3 Pickup Roller Clutch
- C3C4 Drive Motor
- MCU Board, C3C4 Additional Main 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 the paper transport roller sensor for dirt and installation Are the roller and sensor specified in the part to be checked installed properly? Make sure no dirt remains on the surfaces. |
Go to step 3 | Clean and reinstall the paper feed rollers. |
| 3 | Check the deformation and wear of the paper transport roller Are the rollers listed on the suspected part deformed or worn? |
Replacement of applicable paper transport 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 target cassette pickup unit sensor Check the operation of the cassette pickup unit for paper feed with the diagnostic function Judgment: Does the Hopper Plate rise when the cassette is inserted and paper is placed on, and does the signal change when paper is not placed? |
Go to step 7 | Go to step 6 |
| 6 | Check the Paper Feed Sensor of the cassette for installation, dirt, and connection Is there a problem with the installation of the cassette paper feed sensor for the paper feed target? Is there dirt on the sensor? Is the connector not fully inserted? Is the connector of the pickup unit of the paper feed target cassette half-inserted? |
Clean the sensor surface, reinstall the sensor, or fully insert the connector. | Replace the Sensor |
| 7 | Checking the installation of the cassette paper feed clutch for the paper feed target Is the cassette pickup clutch for paper feed installed properly? |
Go to step 8 | Reinstall it properly. |
| 8 | Checking the operation of the cassette paper feed clutch for the paper feed target Check the clutch operation using the failure diagnostic function. Does it make an operating sound (clutch connection sound)? |
Go to step 9 | Go to step 11 |
| 9 | Check the installation of the C3 Pickup Roller Clutch Is the C3 Pickup Roller Clutch installed properly? |
Go to step 10 | Reinstall it properly. |
| 10 | Check the operation of the C3 Pickup Roller Clutch Check the clutch operation using the failure diagnostic function. Does it make an operating sound (clutch connection sound)? |
Go to step 12 | Go to step 11 |
| 11 | Check the malfunctioning clutch for connection Are any of the connectors connecting the clutch not fully inserted? |
Connect securely | Replace the parts one by one.
|
| 12 | Check operation of the All Drive Motor and C3C4 Drive Motor Check operation of the C3C4 Drive Motor using the diagnostic function. Is there any abnormal noise? |
Replace the gear trains or the C3C4 Drive Motor |
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