Kyocera TASKalfa 4551ci
Troubleshooting. Electric problems 2
5. Middle motor does not operate (45 ppm/55 ppm model only).
| Causes | Check procedures/corrective measures |
|---|---|
| 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. Middle motor and feed PWB 2 (YC7) Feed PWB 2 (YC1) and engine PWB (YC4) |
| 2. Defective drive transmission system. | Check if the rollers and gears rotate smoothly. If not, grease the bushes and gears. Check for broken gears and replace if any. |
| 3. Defective motor. | Replace the middle motor. |
| 4. Defective PWB. | Replace the feed PWB 2 or engine PWB and check for correct operation |
6. Eject motor does not operate.
| Causes | Check procedures/corrective measures |
|---|---|
| 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. Eject motor and front PWB (YC5) Front PWB (YC3) and engine PWB (YC7) |
| 2. Defective drive transmission system. | Check if the rollers and gears rotate smoothly. If not, grease the bushes and gears. Check for broken gears and replace if any. |
| 3. Defective motor. | Replace the eject motor. |
| 4. Defective PWB. | Replace the front PWB or engine PWB and check for correct operation |
7. Duplex motor 1 does not operate (45 ppm/55 ppm model only).
| Causes | Check procedures/corrective measures |
|---|---|
| 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 motor 1 and relay PWB (YC16) Relay PWB (YC13) and feed PWB 1 (YC23) Feed PWB 1 (YC2) and engine PWB (YC5) |
| 2. Defective drive transmission system. | Check if the rollers and gears rotate smoothly. If not, grease the bushes and gears. Check for broken gears and replace if any. |
| 3. Defective motor. | Replace the duplex motor 1. |
| 4. Defective PWB. | Replace the relay PWB, feed PWB 1 or engine PWB and check for correct operation |
8. Duplex motor 2 does not operate (45 ppm/55 ppm model only).
| Causes | Check procedures/corrective measures |
|---|---|
| 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 motor 2 and relay PWB (YC7) Relay PWB (YC1) and feed PWB 1 (YC14) Feed PWB 1 (YC1) and engine PWB (YC6) |
| 2. Defective drive transmission system. | Check if the rollers and gears rotate smoothly. If not, grease the bushes and gears. Check for broken gears and replace if any. |
| 3. Defective motor. | Replace the duplex motor 2. |
| 4. Defective PWB. | Replace the relay PWB, feed PWB 1 or engine PWB and check for correct operation |