| Problem |
Causes/check procedures |
Corrective measures |
| (33) A paper jam in finisher is indicated during copying (jam between finisher and machine). Jam code 80 |
Defective paper entry sensor. |
(3000-sheet document finisher) Run maintenance item U241 and turn the paper entry sensor on and off manually. Replace the sensor if indication of the corresponding sensor on the touch panel is not displayed in reverse. |
| (34) A paper jam in finisher is indicated during copying (paper jam during paper insertion to the finisher). Jam code 81 |
3000-sheet document finisher |
| Extremely curled paper. |
Change the paper. |
| Defective paper entry sensor. |
Run maintenance item U241 and turn the paper entry sensor on and off manually. Replace the sensor if indication of the corresponding sensor on the touch panel is not displayed in reverse. |
| Defective finisher main PWB. |
Replace the finisher main PWB and check for correct operation. |
| Document finisher |
| Extremely curled paper. |
Change the paper. |
| Defective paper entry sensor. |
With 5 V DC present at CN3-1 and CN3-3 on the finisher main PWB, check if CN3-2and CN3-4 on the finisher main PWB remains low or high when the paper entry sensor is turned on and off. If it does, replace the paper entry sensor. |
| Defective finisher main PWB. |
Replace the finisher main PWB and check for correct operation. |
| Built-in finisher |
| Extremely curled paper. |
Replace the paper. |
| Defective paper conveying switch. |
With 5 V DC present at YC2-23 on the finisher control PWB, check if YC2-21 on the finisher control PWB remains low or high when the paper conveying switch is turned on and off. If it does, replace the paper conveying switch. |
| Check if the feedshift roller or feedshift pulley is deformed. |
Check and remedy. |
| (35) A paper jam in finisher is indicated during copying (finisher stapler jam). Jam code 82 |
3000-sheet document finisher/Document finisher |
| Defective staple home position sensor. |
Run maintenance item U241 and turn the staple home position sensor on and off manually. Replace the sensor if indication of the corresponding sensor on the touch panel is not displayed in reverse. |
| Built-in finisher |
| The stapler is blocked with a staple. |
Remove the stapler cartridge, and check the cartridge and the stapling section of the stapler. Remove the staple if any. |
| Defective stapler section. |
With 5 V DC present at YC2-24 on the finisher control PWB, check if YC2-19 on the finisher control PWB remains low or high. If it does, replace the stapler section. |