Target Part/SP No.:Paper Transfer Unit Open/Close Sensor / SP5-803-028 (PTR Open/Close Sensor)
Cause verification  | Problem Judgement  | 
|---|---|
Execute an INPUT check with an object (e.g. paper) placed within the sensor detection range.  | 1: Close  | 
Execute an INPUT check without an object (e.g. paper) placed within the sensor detection range.  | 0: Open  | 
Solution:
- Clean the sensor.
 - Reconnect the connector.
 - Replace the sensor.
 - Replace the Paper Transport IOB (PCB1).
 - Replace the harness.