- 100 -6. Troubleshooting5Close the output tray (a) slowly and push the center of the output tray forconfirmation.Task is complete.Opening and closing the output tray starts printing.1Close the rear output tray.2Press the button (A) and open the output tray (a) completely.3Remove the four image drums from the machine and place the image drumson a flat surface.If the Error Code is "409"Possible to get burned.The fuser unit is extremely hot. Do not touch it.