Target Part/SP No.:Tray Set Switch (1st Feed Tray) (S19) / SP5-803-016 (Tray 1: Set Sensor)
Cause verification  | Problem Judgement  | 
|---|---|
Manually press the referenced switch (Done after detaching paper feeding tray 1 from the machine.)  | 1: Not set  | 
Pull out paper feed tray 1 from the machine.  | 0: Set  | 
Solution:
- Reconnect the connector.
 - Replace the sensor.
 - Replace the Paper Transport IOB (PCB1).
 - Replace the harness.
 
1st Paper Feed Tray
Replace the 1st paper feed tray.  | Replace the 1st paper feed tray.  |