| Problem |
Causes/check procedures |
Corrective measures |
| (9) A paper jam in the paper feed section is indicated during copying (misfeed in 3000-sheet paper feeder horizontal paper conveying section). Jam code 17 |
Paper is extremely curled. |
Change the paper. |
| Check if the paper side guides are deformed. |
Check visually and replace. |
| Defective paper path sensor 1. |
With 5 V DC present at CN6-6 on the PF main PWB, check if CN6-5 on the PF main PWB remains low or high when paper path sensor 1 is turned on and off. If it does, replace paper path sensor 1. |
| Check if PF paper conveying clutch malfunctions. |
Run maintenance item U247 and select PF paper conveying clutch on the touch panel to be turned on and off. Check the status and remedy if necessary. |
| Electrical problem with PF paper conveying clutch. |
Check |
| (10) A paper jam in the paper feed section is indicated during copying (misfeed in vertical paper conveying section). Jam code 18 |
Broken switch actuator. |
Check visually and replace switch. |
| Defective switch. |
Run maintenance item U031 and turn following switch on and off manually. Replace the switch if indication of the corresponding switch on the touch panel is not displayed in reverse. Feed switch 1/2/3, registration switch |
| Defective paper conveying motor. |
Run maintenance item U030 and select paper conveying motor on the touch panel to be turned on and off. Check the status and remedy if necessary. |
| (11) A paper jam in the paper feed section is indicated during copying (misfeed in paper feeder vertical paper conveying section). Jam code 19 |
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. |
| (12) A paper jam in the paper feed section is indicated during copying (multiple sheets in MP tray). Jam code 21 |
Broken MP paper feed switch actuator. |
Check visually and replace switch. |
| Defective MP paper feed switch. |
Run maintenance item U031 and turn MP paper feed switch on and off manually. Replace the switch if indication of the corresponding switch on the touch panel is not displayed in reverse. |
| Defective MP paper conveying clutch. |
Run maintenance item U032 and select MP paper conveying clutch on the touch panel to be turned on and off. Check the status and remedy if necessary. |
| Electrical problem with paper conveying clutch. |
Check |