Target Part/SP No.:Waste Toner Bottle Set Switch / SP5-803-033 (Toner Collection Bottle Set Sensor)
Cause verification  | Problem Judgement  | 
|---|---|
Execute an INPUT check with the feeler within the sensor detection range (Done after removing the waste toner bottle)  | 1: Not set  | 
Solution:
- Reconnect the connector.
 - Replace the sensor.
 - Replace the Imaging IOB (PCB2).
 - Replace the harness.