| Problem |
Causes/check procedures |
Corrective measures |
| (4) A paper jam in the paper feed section is indicated during copying (no paper feed from cassette 3). Jam code 12 |
Paper feeder |
| Paper is extremely curled. |
Change the paper. |
| Check if the paper feed pulley, forwarding pulley and separation pulley of cassette 3 are deformed. |
Check visually and replace any deformed pulleys. |
| Broken feed switch 3 actuator. |
Check visually and replace switch. |
| Defective feed switch 3. |
Run maintenance item U031 and turn feed switch 3 on and off manually. Replace the switch if indication of the corresponding switch on the touch panel is not displayed in reverse. |
| Check if PF paper feed clutch 1 malfunctions. |
Run maintenance item U247 and select PF paper feed clutch 1 on the touch panel to be turned on and off. Check the status and remedy if necessary. |
| Electrical problem with PF paper feed clutch 1. |
Check |
| 3000-sheet paper feeder |
| Paper is extremely curled. |
Change the paper. |
| Broken feed switch 3 actuator. |
Check visually and replace switch. |
| Defective feed switch 3. |
Run maintenance item U031 and turn feed switch 3 on and off manually. Replace the switch if indication of the corresponding switch on the touch panel is not displayed in reverse. |
| Check if the clutch malfunctions. |
Run maintenance item U247 and select following clutch on the touch panel to be turned on and off. Check the status and remedy if necessary. PF paper feed clutch 1/2, PF paper conveying clutch |
| Electrical problem with clutch. |
Check |
| (5) A paper jam in the paper feed section is indicated during copying (no paper feed from cassette 4). Jam code 13 |
Paper is extremely curled. |
Change the paper. |
| Check if the paper feed pulley, forwarding pulley and separation pulley of cassette 4 are deformed. |
Check visually and replace any deformed pulleys. |
| Broken PF feed switch actuator. |
Check visually and replace switch. |
| Defective PF feed switch. |
With 5 V DC present at YC3-7 on the PF main PWB, check if YC3- 5 on the PF main PWB remains low or high when the PF feed switch is turned on and off. If it does, replace the PF feed switch. |
| Check if PF paper feed clutch 2 malfunctions. |
Run maintenance item U247 and select PF paper feed clutch 2 on the touch panel to be turned on and off. Check the status and remedy if necessary. |
| Electrical problem with PF paper feed clutch 2. |
Check |