| Problem |
Causes/check procedures |
Corrective measures |
| (16) A paper jam in the paper feed section is indicated during copying (multiple sheets in cassette 4). Jam code 25 |
Broken PF feed switch actuator. |
Check visually and replace switch. |
| Defective paper feeder 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. |
| Defective feed pulleys or feed rollers. |
Check visually and replace. |
| Defective PF paper feed clutch 2. |
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 |
| (17) A paper jam in the paper feed section is indicated during copying (multiple sheets in MP tray). Jam code 26 |
Broken switch actuator. |
Check visually and replace switch. |
| Defective switch. |
Run maintenance item U031 and turn the following switch on and off manually. Replace the switch if indication of the corresponding switch on the touch panel is not displayed in reverse. MP paper feed switch, MP paper conveying switch, registration switch |
| 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 MP paper conveying clutch. |
Check |
| (18) A paper jam in the paper conveying section is indicated during copying (misfeed in registration/transfer section). Jam code 30 |
Broken registration switch actuator. |
Check visually and replace switch. |
| Defective switch. |
Run maintenance item U031 and turn the 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, registration switch |
| The contact between the right and left registration rollers is not correct. |
Check visually and replace. |
| Defective registration clutch. |
Run maintenance item U032 and select registration clutch on the touch panel to be turned on and off. Check the status and remedy if necessary. |
| Electrical problem with registration clutch. |
Check |
| (19) A paper jam in the paper conveying section is indicated during copying (misfeed round the transfer belt). Jam code 31 |
Broken switch actuator. |
Check visually and replace switch. |
| Defective loop sensor. |
Run maintenance item U031 and turn the loop sensor on and off manually. Replace the switch if indication of the corresponding switch on the touch panel is not displayed in reverse. |
| Defective registration clutch. |
Run maintenance item U032 and select registration clutch on the touch panel to be turned on and off. Check the status and remedy if necessary. |
| Electrical problem with registration clutch. |
Check |