| Problem |
Causes |
Check procedures/corrective measures |
| (4)Registration clutch does not operate. |
1. Broken registration clutch coil. |
Check for continuity across the coil. If none, replace the registration clutch. |
| 2. Defective harness between registration clutch and control PWB (YC20), or improper connector insertion. |
Reinsert the connector. Also check for continuity within the connector harness. If none, remedy or replace the harness. |
| 3. Defective control PWB. |
Replace the control PWB |
| (5)Paper feed clutch does not operate. |
1. Broken paper feed clutch coil. |
Check for continuity across the coil. If none, replace the paper feed clutch. |
| 2. Defective harness between paper feed clutch and control PWB (YC20), or improper connector insertion. |
Reinsert the connector. Also check for continuity within the connector harness. If none, remedy or replace the harness. |
| 3. Defective control PWB. |
Replace the control PWB |
| (6)Developer clutch does not operate. |
1. Broken developer clutch coil. |
Check for continuity across the coil. If none, replace the developer clutch. |
| 2. Defective harness between developer clutch and control PWB (YC20), or improper connector insertion. |
Reinsert the connector. Also check for continuity within the connector harness. If none, remedy or replace the harness. |
| 3. Defective control PWB. |
Replace the control PWB |
| (7)MP paper feed solenoid does not operate. |
1. Broken MP paper feed solenoid coil. |
Check for continuity across the coil. If none, replace the MP paper feed solenoid. |
| 2. Defective harness between MP paper feed solenoid and control PWB (YC21), or improper connector insertion. |
Reinsert the connector. Also check for continuity within the connector harness. If none, remedy or replace the harness. |
| 3. Defective control PWB. |
Replace the control PWB |