Kyocera TASKalfa 350ci
Troubleshooting. Electric problems 2
4. Toner motor does not operate.
| Causes | Check procedures/corrective measures |
|---|---|
| 1. Defective connector cable or poor con- tact in the connector | Reconnect the connector if its connection is loose. Also check the continuity within the connector wire. If none, replace the wire. Toner motor and Engine relay PWB (YC18) Engine relay PWB (YC4) and Main/Engine PWB (YC1) |
| 2. Defective motor. | Reattach the toner motor. Or replace. |
| 3. Defective PWB. | Replace the engine relay PWB. |
| Replace the Main/Engine PWB. |
5. Power source fan motor does not rotate.
| Causes | Check procedures/corrective measures |
|---|---|
| 1. Defective connector cable or poor contact in the connector | Reconnect the connector if its connection is loose. Also check the continuity within the connector wire. If none, replace the wire. Power source fan motor and Main/Engine PWB (YC19) |
| 2. Defective motor. | Replace the power source fan motor. |
| 3. Defective PWB. | Replace the Main/Engine PWB. |
6. LSU fan motor does not operate.
| Causes | Check procedures/corrective measures |
|---|---|
| 1. Defective connector cable or poor contact in the connector | Reconnect the connector if its connection is loose. Also check the continuity within the connector wire. If none, replace the wire. LSU fan motor and Engine relay PWB (YC23,24) Engine relay PWB (YC1) and Main/Engine PWB (YC4) |
| 2. Defective motor. | Replace the LSU fan motor. |
| 3. Defective PWB. | Replace the engine relay PWB. |
| Replace the Main/Engine PWB. |