Kyocera TASKalfa 3011i

5. LSU fan 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. LSU fan motor and engine PWB (YC12)
2. Defective motor.	Replace the LSU fan motor.
3. Defective PWB.	Replace the engine PWB and check for correct operation

6. ISU 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. ISU motor and Engine PWB (YC34)
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 ISU motor.
4. Defective PWB.	Replace the Engine PWB and check for correct operation

7. Paper feed clutch 1, 2 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. Paper feed clutch 1 and engine PWB (YC3) Paper feed clutch 2 and engine PWB (YC17)
2. Defective clutch.	Replace the paper feed clutch.
3. Defective PWB.	Replace the engine PWB and check for correct operation

8. Registration clutch 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. Registration clutch and engine PWB (YC13)
2. Defective clutch.	Replace the registration clutch.
3. Defective PWB.	Replace the engine PWB and check for correct operation