Kyocera ECOSYS P4040dn
Troubleshooting. Electric problems 2
If the part causing the problem was not supplied, use the unit including the part for replacement. Troubleshooting to each failure must be in the order of the numbered symptoms.
| Problem | Causes | Check procedures/corrective measures |
|---|---|---|
| (5) Developer fan motor does not operate. | 1. Defective connector cable or poor contact in the connector. | Reinsert the connector. Also check for continuity within the connector cable. If none, replace the cable. Developer fan motor and fengine PWB (YC27) |
| 2. Defective motor. | Replace the developer fan motor. | |
| 3. Defective PWB. | Replace the engine PWB or fuser thermistor connect PWB and check for correct operation | |
| (6) Center fan motor does not operate. | 1. Defective connector cable or poor contact in the connector. | Reinsert the connector. Also check for continuity within the connector cable. If none, replace the cable. Center fan motor and fuser thermistor connect PWB (YC5) Fuser thermistor connect PWB and engine PWB (YC21) |
| 2. Defective motor. | Replace the center fan motor. | |
| 3. Defective PWB. | Replace the engine PWB or fuser thermistor connect PWB and check for correct operation | |
| (7) Rear fan motor does not operate. | 1. Defective connector cable or poor contact in the connector. | Reinsert the connector. Also check for continuity within the connector cable. If none, replace the cable. Rear fan motor and fuser thermistor connect PWB (YC4) Fuser thermistor connect PWB and engine PWB (YC21) |
| 2. Defective motor. | Replace the rear fan motor. | |
| 3. Defective PWB. | Replace the engine PWB or fuser thermistor connect PWB and check for correct operation | |
| (8) Paper feed clutch does not operate. | 1. Defective connector cable or poor contact in the connector. | Reinsert the connector. Also check for continuity within the connector cable. If none, replace the cable. Paper feed clutch and engine PWB (YC5) |
| 2. Defective clutch. | Replace the paper feed clutch. | |
| 3. Defective PWB. | Replace the engine PWB and check for correct operation | |
| (9) Registration clutch does not operate. | 1. Defective connector cable or poor contact in the connector. | Reinsert the connector. Also check for continuity within the connector cable. If none, replace the cable. Registration clutch and engine PWB (YC5) |
| 2. Defective clutch. | Replace the registration clutch. | |
| 3. Defective PWB. | Replace the engine PWB and check for correct operation | |
| (10) Duplex clutch does not operate. | 1. Defective connector cable or poor contact in the connector. | Reinsert the connector. Also check for continuity within the connector cable. If none, replace the cable. Duplex clutch and engine PWB (YC5) |
| 2. Defective clutch. | Replace the duplex clutch. | |
| 3. Defective PWB. | Replace the engine PWB and check for correct operation | |
| (11) Developer clutch does not operate. | 1. Defective connector cable or poor contact in the connector. | Reinsert the connector. Also check for continuity within the connector cable. If none, replace the cable. Developer clutch and engine PWB (YC5) |
| 2. Defective clutch. | Replace the developer clutch. | |
| 3. Defective PWB. | Replace the engine PWB and check for correct operation |