6.Troubleshooting 
190 
Jam Detection 
Paper Jam 
Jam Sensor Layout 
The sensors used for jam detection are shown below. 
 
1.  Registration sensor 
2.  Paper exit sensor 
3.  Duplex sensor 
4.  Paper feed sensor (optional tray) 
Jam Message List 
Here is a list of common jam messages, and descriptions of the causes. 
See the drawings shown above to check the sensor locations. 
Misfeed: Paper Tray (Touch panel 
models) 
Misfeed: BypassTray (Four-line LCD 
models) 
Paper does not reach the registration 
sensor (bypass tray) 
Paper does not reach the registration 
sensor (tray 1) 
Paper does not reach the registration 
sensor (tray 2) 
Paper does not reach the paper feed